25028925984 has 36 divisors (see below), whose sum is σ = 71176009086. Its totient is φ = 8342975232.

The previous prime is 25028925931. The next prime is 25028926003. The reversal of 25028925984 is 48952982052.

It is a happy number.

25028925984 is a `hidden beast` number, since 2 + 502 + 8 + 9 + 2 + 59 + 84 = 666.

It can be written as a sum of positive squares in only one way, i.e., 24995610000 + 33315984 = 158100^2 + 5772^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 25028925984.

It is an unprimeable number.

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, 43452709 + ... + 43453284.

Almost surely, 2^25028925984 is an apocalyptic number.

25028925984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25028925984 is an abundant number, since it is smaller than the sum of its proper divisors (46147083102).

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

25028925984 is a wasteful number, since it uses less digits than its factorization.

25028925984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86906009 (or 86905998 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 54.

The spelling of 25028925984 in words is "twenty-five billion, twenty-eight million, nine hundred twenty-five thousand, nine hundred eighty-four".