252552530780 has 96 divisors (see below), whose sum is σ = 580885905600. Its totient is φ = 91471104000.

The previous prime is 252552530779. The next prime is 252552530821. The reversal of 252552530780 is 87035255252.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113710070 + ... + 113712290.

It is an arithmetic number, because the mean of its divisors is an integer number (6050894850).

Almost surely, 2^252552530780 is an apocalyptic number.

252552530780 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 252552530780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290442952800).

252552530780 is an abundant number, since it is smaller than the sum of its proper divisors (328333374820).

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

252552530780 is a wasteful number, since it uses less digits than its factorization.

252552530780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4071 (or 4069 counting only the distinct ones).

The product of its (nonzero) digits is 840000, while the sum is 44.

The spelling of 252552530780 in words is "two hundred fifty-two billion, five hundred fifty-two million, five hundred thirty thousand, seven hundred eighty".