252432102140 has 48 divisors (see below), whose sum is σ = 545367906720. Its totient is φ = 98087224320.

The previous prime is 252432102137. The next prime is 252432102157. The reversal of 252432102140 is 41201234252.

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, 469550 + ... + 851669.

It is an arithmetic number, because the mean of its divisors is an integer number (11361831390).

Almost surely, 2^252432102140 is an apocalyptic number.

252432102140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252432102140 is an abundant number, since it is smaller than the sum of its proper divisors (292935804580).

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

252432102140 is a wasteful number, since it uses less digits than its factorization.

252432102140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321502 (or 1321500 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 252432102140 its reverse (41201234252), we get a palindrome (293633336392).

The spelling of 252432102140 in words is "two hundred fifty-two billion, four hundred thirty-two million, one hundred two thousand, one hundred forty".