25579258080 has 96 divisors (see below), whose sum is σ = 85314376224. Its totient is φ = 6419890176.

The previous prime is 25579258069. The next prime is 25579258099. The reversal of 25579258080 is 8085297552.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1559197 + ... + 1575516.

It is an arithmetic number, because the mean of its divisors is an integer number (888691419).

Almost surely, 2^25579258080 is an apocalyptic number.

25579258080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25579258080 is an abundant number, since it is smaller than the sum of its proper divisors (59735118144).

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

25579258080 is a wasteful number, since it uses less digits than its factorization.

25579258080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3134748 (or 3134740 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 51.

The spelling of 25579258080 in words is "twenty-five billion, five hundred seventy-nine million, two hundred fifty-eight thousand, eighty".