2557364442252 has 12 divisors (see below), whose sum is σ = 5967183698616. Its totient is φ = 852454814080.

The previous prime is 2557364442229. The next prime is 2557364442253. The reversal of 2557364442252 is 2522444637552.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2557364442252² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2557364442195 and 2557364442204.

It is not an unprimeable number, because it can be changed into a prime (2557364442253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106556851749 + ... + 106556851772.

It is an arithmetic number, because the mean of its divisors is an integer number (497265308218).

Almost surely, 2^{2557364442252} is an apocalyptic number.

It is an amenable number.

2557364442252 is an abundant number, since it is smaller than the sum of its proper divisors (3409819256364).

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

2557364442252 is a wasteful number, since it uses less digits than its factorization.

2557364442252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213113703528 (or 213113703526 counting only the distinct ones).

The product of its digits is 16128000, while the sum is 51.

The spelling of 2557364442252 in words is "two trillion, five hundred fifty-seven billion, three hundred sixty-four million, four hundred forty-two thousand, two hundred fifty-two".