25979572800 has 168 divisors, whose sum is σ = 94705322400. Its totient is φ = 6927874560.

The previous prime is 25979572763. The next prime is 25979572823. The reversal of 25979572800 is 827597952.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 257490 + ... + 343889.

Almost surely, 2^25979572800 is an apocalyptic number.

25979572800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25979572800 is an abundant number, since it is smaller than the sum of its proper divisors (68725749600).

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

25979572800 is a wasteful number, since it uses less digits than its factorization.

25979572800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601410 (or 601389 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 54.

The spelling of 25979572800 in words is "twenty-five billion, nine hundred seventy-nine million, five hundred seventy-two thousand, eight hundred".