25250255828 has 48 divisors (see below), whose sum is σ = 50836942464. Its totient is φ = 10749559680.

The previous prime is 25250255753. The next prime is 25250255831. The reversal of 25250255828 is 82855205252.

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, 10757351 + ... + 10759697.

It is an arithmetic number, because the mean of its divisors is an integer number (1059102968).

Almost surely, 2^25250255828 is an apocalyptic number.

25250255828 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25250255828 is an abundant number, since it is smaller than the sum of its proper divisors (25586686636).

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

25250255828 is a wasteful number, since it uses less digits than its factorization.

25250255828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4752 (or 4750 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 44.

The spelling of 25250255828 in words is "twenty-five billion, two hundred fifty million, two hundred fifty-five thousand, eight hundred twenty-eight".