652755557256 has 128 divisors (see below), whose sum is σ = 1848902889600. Its totient is φ = 190295930880.

The previous prime is 652755557227. The next prime is 652755557263.

652755557256 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 652755557256.

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, 493926 + ... + 1244778.

It is an arithmetic number, because the mean of its divisors is an integer number (14444553825).

Almost surely, 2^652755557256 is an apocalyptic number.

652755557256 is a gapful number since it is divisible by the number (66) 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 652755557256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (924451444800).

652755557256 is an abundant number, since it is smaller than the sum of its proper divisors (1196147332344).

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

652755557256 is a wasteful number, since it uses less digits than its factorization.

652755557256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750999 (or 750995 counting only the distinct ones).

The product of its digits is 110250000, while the sum is 60.

The spelling of 652755557256 in words is "six hundred fifty-two billion, seven hundred fifty-five million, five hundred fifty-seven thousand, two hundred fifty-six".