25007864080 has 40 divisors (see below), whose sum is σ = 58151313792. Its totient is φ = 10001764224.

The previous prime is 25007864069. The next prime is 25007864081. The reversal of 25007864080 is 8046870052.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (25007864081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 719257 + ... + 753223.

Almost surely, 2^25007864080 is an apocalyptic number.

25007864080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25007864080 is an abundant number, since it is smaller than the sum of its proper divisors (33143449712).

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

25007864080 is a wasteful number, since it uses less digits than its factorization.

25007864080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43183 (or 43177 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The spelling of 25007864080 in words is "twenty-five billion, seven million, eight hundred sixty-four thousand, eighty".