252897306580 has 48 divisors (see below), whose sum is σ = 546054316416. Its totient is φ = 98313678720.

The previous prime is 252897306547. The next prime is 252897306667. The reversal of 252897306580 is 85603798252.

It is a super-2 number, since 2×252897306580² (a number of 24 digits) contains 22 as substring.

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, 463735 + ... + 849025.

It is an arithmetic number, because the mean of its divisors is an integer number (11376131592).

Almost surely, 2^252897306580 is an apocalyptic number.

252897306580 is a gapful number since it is divisible by the number (20) 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 252897306580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273027158208).

252897306580 is an abundant number, since it is smaller than the sum of its proper divisors (293157009836).

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

252897306580 is a wasteful number, since it uses less digits than its factorization.

252897306580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386224 (or 386222 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 252897306580 in words is "two hundred fifty-two billion, eight hundred ninety-seven million, three hundred six thousand, five hundred eighty".