25830830271988 has 48 divisors (see below), whose sum is σ = 51934611456000. Its totient is φ = 11011871869920.

The previous prime is 25830830271973. The next prime is 25830830272021. The reversal of 25830830271988 is 88917203803852.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125034643 + ... + 125241061.

It is an arithmetic number, because the mean of its divisors is an integer number (1081971072000).

Almost surely, 2^{25830830271988} is an apocalyptic number.

25830830271988 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25830830271988 is an abundant number, since it is smaller than the sum of its proper divisors (26103781184012).

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

25830830271988 is a wasteful number, since it uses less digits than its factorization.

25830830271988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230020 (or 230018 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 64.

The spelling of 25830830271988 in words is "twenty-five trillion, eight hundred thirty billion, eight hundred thirty million, two hundred seventy-one thousand, nine hundred eighty-eight".