25371479232 has 224 divisors, whose sum is σ = 81612272640. Its totient is φ = 7665269760.

The previous prime is 25371479227. The next prime is 25371479233. The reversal of 25371479232 is 23297417352.

25371479232 is a `hidden beast` number, since 2 + 5 + 371 + 47 + 9 + 232 = 666.

It is not an unprimeable number, because it can be changed into a prime (25371479233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6974118 + ... + 6977754.

Almost surely, 2^25371479232 is an apocalyptic number.

25371479232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25371479232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40806136320).

25371479232 is an abundant number, since it is smaller than the sum of its proper divisors (56240793408).

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

25371479232 is a wasteful number, since it uses less digits than its factorization.

25371479232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4036 (or 4020 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The spelling of 25371479232 in words is "twenty-five billion, three hundred seventy-one million, four hundred seventy-nine thousand, two hundred thirty-two".