25388830632 has 32 divisors (see below), whose sum is σ = 69242266080. Its totient is φ = 7693584960.

The previous prime is 25388830619. The next prime is 25388830703. The reversal of 25388830632 is 23603888352.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48084643 + ... + 48085170.

It is an arithmetic number, because the mean of its divisors is an integer number (2163820815).

Almost surely, 2^25388830632 is an apocalyptic number.

25388830632 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25388830632 is an abundant number, since it is smaller than the sum of its proper divisors (43853435448).

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

25388830632 is a wasteful number, since it uses less digits than its factorization.

25388830632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96169833 (or 96169829 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 25388830632 in words is "twenty-five billion, three hundred eighty-eight million, eight hundred thirty thousand, six hundred thirty-two".