25430375472632 has 64 divisors (see below), whose sum is σ = 52365849732000. Its totient is φ = 11505255151104.

The previous prime is 25430375472617. The next prime is 25430375472641. The reversal of 25430375472632 is 23627457303452.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

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, 4032719 + ... + 8192897.

Almost surely, 2^{25430375472632} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25430375472632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26182924866000).

25430375472632 is an abundant number, since it is smaller than the sum of its proper divisors (26935474259368).

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

25430375472632 is a wasteful number, since it uses less digits than its factorization.

25430375472632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4161360 (or 4161356 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 53.

The spelling of 25430375472632 in words is "twenty-five trillion, four hundred thirty billion, three hundred seventy-five million, four hundred seventy-two thousand, six hundred thirty-two".