252530358528 has 144 divisors (see below), whose sum is σ = 768854491776. Its totient is φ = 72081899520.

The previous prime is 252530358511. The next prime is 252530358547. The reversal of 252530358528 is 825853035252.

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

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, 5681800 + ... + 5726072.

It is an arithmetic number, because the mean of its divisors is an integer number (5339267304).

Almost surely, 2^252530358528 is an apocalyptic number.

252530358528 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252530358528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384427245888).

252530358528 is an abundant number, since it is smaller than the sum of its proper divisors (516324133248).

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

252530358528 is a wasteful number, since it uses less digits than its factorization.

252530358528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45360 (or 45346 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 48.

The spelling of 252530358528 in words is "two hundred fifty-two billion, five hundred thirty million, three hundred fifty-eight thousand, five hundred twenty-eight".