25036028664 has 16 divisors (see below), whose sum is σ = 62590071720. Its totient is φ = 8345342880.

The previous prime is 25036028659. The next prime is 25036028669. The reversal of 25036028664 is 46682063052.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25036028659) and next prime (25036028669).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25036028669) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 521583907 + ... + 521583954.

Almost surely, 2^25036028664 is an apocalyptic number.

25036028664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25036028664 is an abundant number, since it is smaller than the sum of its proper divisors (37554043056).

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

25036028664 is a wasteful number, since it uses less digits than its factorization.

25036028664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043167870 (or 1043167866 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 25036028664 in words is "twenty-five billion, thirty-six million, twenty-eight thousand, six hundred sixty-four".