25236738752 has 28 divisors (see below), whose sum is σ = 52714900920. Its totient is φ = 11954244096.

The previous prime is 25236738749. The next prime is 25236738773. The reversal of 25236738752 is 25783763252.

It is a self number, because there is not a number n which added to its sum of digits gives 25236738752.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10375733 + ... + 10378164.

Almost surely, 2^25236738752 is an apocalyptic number.

It is an amenable number.

25236738752 is an abundant number, since it is smaller than the sum of its proper divisors (27478162168).

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

25236738752 is a wasteful number, since it uses less digits than its factorization.

25236738752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20753928 (or 20753918 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 50.

The spelling of 25236738752 in words is "twenty-five billion, two hundred thirty-six million, seven hundred thirty-eight thousand, seven hundred fifty-two".