25956064000 has 72 divisors (see below), whose sum is σ = 64659879648. Its totient is φ = 10382412800.

The previous prime is 25956063961. The next prime is 25956064061. The reversal of 25956064000 is 46065952.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373564 + ... + 437563.

It is an arithmetic number, because the mean of its divisors is an integer number (898053884).

Almost surely, 2^25956064000 is an apocalyptic number.

25956064000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25956064000 is an abundant number, since it is smaller than the sum of its proper divisors (38703815648).

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

25956064000 is an frugal number, since it uses more digits than its factorization.

25956064000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811158 (or 811134 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 25956064000 in words is "twenty-five billion, nine hundred fifty-six million, sixty-four thousand".