252154705728 has 56 divisors (see below), whose sum is σ = 667871818432. Its totient is φ = 83961805824.

The previous prime is 252154705697. The next prime is 252154705729. The reversal of 252154705728 is 827507451252.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252154705729) 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, 520900 + ... + 880707.

It is an arithmetic number, because the mean of its divisors is an integer number (11926282472).

Almost surely, 2^252154705728 is an apocalyptic number.

It is an amenable number.

252154705728 is an abundant number, since it is smaller than the sum of its proper divisors (415717112704).

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

252154705728 is a wasteful number, since it uses less digits than its factorization.

252154705728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402559 (or 1402549 counting only the distinct ones).

The product of its (nonzero) digits is 1568000, while the sum is 48.

The spelling of 252154705728 in words is "two hundred fifty-two billion, one hundred fifty-four million, seven hundred five thousand, seven hundred twenty-eight".