252154301255320 has 32 divisors (see below), whose sum is σ = 571154877018000. Its totient is φ = 100184796201088.

The previous prime is 252154301255201. The next prime is 252154301255321. The reversal of 252154301255320 is 23552103451252.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252154301255321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21153878374 + ... + 21153890293.

Almost surely, 2^{252154301255320} is an apocalyptic number.

252154301255320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252154301255320 is an abundant number, since it is smaller than the sum of its proper divisors (319000575762680).

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

252154301255320 is a wasteful number, since it uses less digits than its factorization.

252154301255320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42307768827 (or 42307768823 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 252154301255320 in words is "two hundred fifty-two trillion, one hundred fifty-four billion, three hundred one million, two hundred fifty-five thousand, three hundred twenty".