25050578488 has 32 divisors (see below), whose sum is σ = 50885825760. Its totient is φ = 11492565120.

The previous prime is 25050578453. The next prime is 25050578491. The reversal of 25050578488 is 88487505052.

It is a super-2 number, since 2×25050578488² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 703803 + ... + 738538.

It is an arithmetic number, because the mean of its divisors is an integer number (1590182055).

Almost surely, 2^25050578488 is an apocalyptic number.

It is an amenable number.

25050578488 is an abundant number, since it is smaller than the sum of its proper divisors (25835247272).

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

25050578488 is a wasteful number, since it uses less digits than its factorization.

25050578488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442527 (or 1442523 counting only the distinct ones).

The product of its (nonzero) digits is 3584000, while the sum is 52.

The spelling of 25050578488 in words is "twenty-five billion, fifty million, five hundred seventy-eight thousand, four hundred eighty-eight".