25730259048 has 96 divisors (see below), whose sum is σ = 77634484200. Its totient is φ = 7643994624.

The previous prime is 25730259041. The next prime is 25730259073. The reversal of 25730259048 is 84095203752.

25730259048 is a `hidden beast` number, since 2 + 57 + 3 + 0 + 2 + 590 + 4 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 16568323524 + 9161935524 = 128718^2 + 95718^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25730258994 and 25730259012.

It is not an unprimeable number, because it can be changed into a prime (25730259041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 446815 + ... + 501102.

Almost surely, 2^25730259048 is an apocalyptic number.

It is an amenable number.

25730259048 is an abundant number, since it is smaller than the sum of its proper divisors (51904225152).

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

25730259048 is a wasteful number, since it uses less digits than its factorization.

25730259048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947971 (or 947964 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 25730259048 in words is "twenty-five billion, seven hundred thirty million, two hundred fifty-nine thousand, forty-eight".