25953927973632 has 90 divisors (see below), whose sum is σ = 77389917140228. Its totient is φ = 8651309317632.

The previous prime is 25953927973601. The next prime is 25953927973639. The reversal of 25953927973632 is 23637972935952.

25953927973632 is a `hidden beast` number, since 2 + 5 + 9 + 539 + 27 + 9 + 7 + 3 + 63 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (25953927973639) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 625797358 + ... + 625838829.

Almost surely, 2^{25953927973632} is an apocalyptic number.

It is an amenable number.

25953927973632 is an abundant number, since it is smaller than the sum of its proper divisors (51435989166596).

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

25953927973632 is an equidigital number, since it uses as much as digits as its factorization.

25953927973632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251636215 (or 1251636192 counting only the distinct ones).

The product of its digits is 1157360400, while the sum is 72.

The spelling of 25953927973632 in words is "twenty-five trillion, nine hundred fifty-three billion, nine hundred twenty-seven million, nine hundred seventy-three thousand, six hundred thirty-two".