25150533930 has 24 divisors (see below), whose sum is σ = 65391388452. Its totient is φ = 6706809024.

The previous prime is 25150533869. The next prime is 25150533943. The reversal of 25150533930 is 3933505152.

It is a happy number.

25150533930 is a `hidden beast` number, since 2 + 515 + 0 + 53 + 3 + 93 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 25004148129 + 146385801 = 158127^2 + 12099^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139725099 + ... + 139725278.

Almost surely, 2^25150533930 is an apocalyptic number.

25150533930 is an abundant number, since it is smaller than the sum of its proper divisors (40240854522).

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

25150533930 is a wasteful number, since it uses less digits than its factorization.

25150533930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279450390 (or 279450387 counting only the distinct ones).

The product of its (nonzero) digits is 60750, while the sum is 36.

The spelling of 25150533930 in words is "twenty-five billion, one hundred fifty million, five hundred thirty-three thousand, nine hundred thirty".