25670943120 has 80 divisors (see below), whose sum is σ = 79634760192. Its totient is φ = 6840867840.

The previous prime is 25670943037. The next prime is 25670943127. The reversal of 25670943120 is 2134907652.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (25670943127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319329 + ... + 391551.

Almost surely, 2^25670943120 is an apocalyptic number.

25670943120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25670943120 is an abundant number, since it is smaller than the sum of its proper divisors (53963817072).

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

25670943120 is a wasteful number, since it uses less digits than its factorization.

25670943120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73720 (or 73714 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 25670943120 in words is "twenty-five billion, six hundred seventy million, nine hundred forty-three thousand, one hundred twenty".