25389005004 has 36 divisors (see below), whose sum is σ = 70012105800. Its totient is φ = 7693637760.

The previous prime is 25389004973. The next prime is 25389005179. The reversal of 25389005004 is 40050098352.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 25389005004.

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 11 ways as a sum of consecutive naturals, for example, 32056429 + ... + 32057220.

Almost surely, 2^25389005004 is an apocalyptic number.

It is an amenable number.

25389005004 is an abundant number, since it is smaller than the sum of its proper divisors (44623100796).

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

25389005004 is a wasteful number, since it uses less digits than its factorization.

25389005004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64113670 (or 64113665 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 25389005004 in words is "twenty-five billion, three hundred eighty-nine million, five thousand, four".