25252894888 has 64 divisors (see below), whose sum is σ = 51642360000. Its totient is φ = 11506801152.

The previous prime is 25252894883. The next prime is 25252894907. The reversal of 25252894888 is 88849825252.

It is not an unprimeable number, because it can be changed into a prime (25252894883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7653063 + ... + 7656361.

It is an arithmetic number, because the mean of its divisors is an integer number (806911875).

Almost surely, 2^25252894888 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 25252894888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25821180000).

25252894888 is an abundant number, since it is smaller than the sum of its proper divisors (26389465112).

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

25252894888 is a wasteful number, since it uses less digits than its factorization.

25252894888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4234 (or 4230 counting only the distinct ones).

The product of its digits is 29491200, while the sum is 61.

The spelling of 25252894888 in words is "twenty-five billion, two hundred fifty-two million, eight hundred ninety-four thousand, eight hundred eighty-eight".