25292032864 has 36 divisors (see below), whose sum is σ = 57923275284. Its totient is φ = 10839441984.

The previous prime is 25292032861. The next prime is 25292032877. The reversal of 25292032864 is 46823029252.

It is a self number, because there is not a number n which added to its sum of digits gives 25292032864.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25292032861) 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 5 ways as a sum of consecutive naturals, for example, 8063494 + ... + 8066629.

It is an arithmetic number, because the mean of its divisors is an integer number (1608979869).

Almost surely, 2^25292032864 is an apocalyptic number.

It is an amenable number.

25292032864 is an abundant number, since it is smaller than the sum of its proper divisors (32631242420).

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

25292032864 is a wasteful number, since it uses less digits than its factorization.

25292032864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16130147 (or 16130132 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 25292032864 in words is "twenty-five billion, two hundred ninety-two million, thirty-two thousand, eight hundred sixty-four".