25966650233880 has 64 divisors (see below), whose sum is σ = 86555500783200. Its totient is φ = 6924440062080.

The previous prime is 25966650233879. The next prime is 25966650233891. The reversal of 25966650233880 is 8833205666952.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12021596251 + ... + 12021598410.

Almost surely, 2^{25966650233880} is an apocalyptic number.

25966650233880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25966650233880 is an abundant number, since it is smaller than the sum of its proper divisors (60588850549320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25966650233880 is a wasteful number, since it uses less digits than its factorization.

25966650233880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24043194681 (or 24043194671 counting only the distinct ones).

The product of its (nonzero) digits is 111974400, while the sum is 63.

The spelling of 25966650233880 in words is "twenty-five trillion, nine hundred sixty-six billion, six hundred fifty million, two hundred thirty-three thousand, eight hundred eighty".