252625137740 has 24 divisors (see below), whose sum is σ = 561719424672. Its totient is φ = 95105934080.

The previous prime is 252625137679. The next prime is 252625137767. The reversal of 252625137740 is 47731526252.

It is a junction number, because it is equal to n+sod(n) for n = 252625137691 and 252625137700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371507216 + ... + 371507895.

It is an arithmetic number, because the mean of its divisors is an integer number (23404976028).

Almost surely, 2^252625137740 is an apocalyptic number.

252625137740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252625137740 is an abundant number, since it is smaller than the sum of its proper divisors (309094286932).

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

252625137740 is a wasteful number, since it uses less digits than its factorization.

252625137740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743015137 (or 743015135 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 252625137740 in words is "two hundred fifty-two billion, six hundred twenty-five million, one hundred thirty-seven thousand, seven hundred forty".