25868803044 has 36 divisors (see below), whose sum is σ = 70215324144. Its totient is φ = 7391086416.

The previous prime is 25868803021. The next prime is 25868803067. The reversal of 25868803044 is 44030886852.

It is an interprime number because it is at equal distance from previous prime (25868803021) and next prime (25868803067).

It is a junction number, because it is equal to n+sod(n) for n = 25868802984 and 25868803002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21996694 + ... + 21997869.

Almost surely, 2^25868803044 is an apocalyptic number.

It is an amenable number.

25868803044 is an abundant number, since it is smaller than the sum of its proper divisors (44346521100).

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

25868803044 is a wasteful number, since it uses less digits than its factorization.

25868803044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43994584 (or 43994575 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 48.

The spelling of 25868803044 in words is "twenty-five billion, eight hundred sixty-eight million, eight hundred three thousand, forty-four".