25940257800 has 48 divisors (see below), whose sum is σ = 80414801040. Its totient is φ = 6917401920.

The previous prime is 25940257769. The next prime is 25940257843. The reversal of 25940257800 is 875204952.

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, 21616282 + ... + 21617481.

It is an arithmetic number, because the mean of its divisors is an integer number (1675308355).

Almost surely, 2^25940257800 is an apocalyptic number.

25940257800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25940257800 is an abundant number, since it is smaller than the sum of its proper divisors (54474543240).

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

25940257800 is a wasteful number, since it uses less digits than its factorization.

25940257800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43233782 (or 43233773 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 25940257800 in words is "twenty-five billion, nine hundred forty million, two hundred fifty-seven thousand, eight hundred".