25252237900764 has 144 divisors (see below), whose sum is σ = 73531121943552. Its totient is φ = 7157721707136.

The previous prime is 25252237900741. The next prime is 25252237900829. The reversal of 25252237900764 is 46700973225252.

25252237900764 is a `hidden beast` number, since 2 + 5 + 252 + 237 + 90 + 0 + 76 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 25252237900764.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19559427 + ... + 20810469.

Almost surely, 2^{25252237900764} 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 25252237900764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36765560971776).

25252237900764 is an abundant number, since it is smaller than the sum of its proper divisors (48278884042788).

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

25252237900764 is a wasteful number, since it uses less digits than its factorization.

25252237900764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251696 (or 1251691 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 54.

The spelling of 25252237900764 in words is "twenty-five trillion, two hundred fifty-two billion, two hundred thirty-seven million, nine hundred thousand, seven hundred sixty-four".