25087224474 has 128 divisors (see below), whose sum is σ = 63282643200. Its totient is φ = 7312032000.

The previous prime is 25087224469. The next prime is 25087224497. The reversal of 25087224474 is 47442278052.

25087224474 is a `hidden beast` number, since 2 + 508 + 72 + 2 + 4 + 4 + 74 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1067349 + ... + 1090599.

It is an arithmetic number, because the mean of its divisors is an integer number (494395650).

Almost surely, 2^25087224474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25087224474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31641321600).

25087224474 is an abundant number, since it is smaller than the sum of its proper divisors (38195418726).

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

25087224474 is a wasteful number, since it uses less digits than its factorization.

25087224474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23357 (or 23351 counting only the distinct ones).

The product of its (nonzero) digits is 1003520, while the sum is 45.

The spelling of 25087224474 in words is "twenty-five billion, eighty-seven million, two hundred twenty-four thousand, four hundred seventy-four".