There is a benefit for Disabled Surviving Divorced Spouse if the ex-spouse is at least age 50 and becomes disabled during the prescribed period. The prescribed period is a bit complex, but the general rule is that the ex-spouse must have become disabled within 7 years of the divorce.

If the ex-spouse is not yet 50 and the working spouse is not dead, there are no benefits at all.

If any spouse or ex-spouse chooses to file a claim on a current or former spouse before full retirement age (heading up to age 68) there is a permanent reduction in monthly benefits for applying before full retirement age. Getting it for more years means less per month.