25690489032 has 96 divisors (see below), whose sum is σ = 72570772800. Its totient is φ = 7561052928.

The previous prime is 25690489031. The next prime is 25690489051. The reversal of 25690489032 is 23098409652.

It is a happy number.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (25690489031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44407 + ... + 230982.

It is an arithmetic number, because the mean of its divisors is an integer number (755945550).

Almost surely, 2^25690489032 is an apocalyptic number.

It is an amenable number.

25690489032 is an abundant number, since it is smaller than the sum of its proper divisors (46880283768).

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

25690489032 is a wasteful number, since it uses less digits than its factorization.

25690489032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275447 (or 275430 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 25690489032 in words is "twenty-five billion, six hundred ninety million, four hundred eighty-nine thousand, thirty-two".