25051980228 has 48 divisors (see below), whose sum is σ = 65324024640. Its totient is φ = 7406348800.

The previous prime is 25051980211. The next prime is 25051980253. The reversal of 25051980228 is 82208915052.

It is a self number, because there is not a number n which added to its sum of digits gives 25051980228.

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, 2309073 + ... + 2319896.

It is an arithmetic number, because the mean of its divisors is an integer number (1360917180).

Almost surely, 2^25051980228 is an apocalyptic number.

It is an amenable number.

25051980228 is an abundant number, since it is smaller than the sum of its proper divisors (40272044412).

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

25051980228 is a wasteful number, since it uses less digits than its factorization.

25051980228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4629028 (or 4629026 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 42.

The spelling of 25051980228 in words is "twenty-five billion, fifty-one million, nine hundred eighty thousand, two hundred twenty-eight".