2528662668252 has 96 divisors (see below), whose sum is σ = 7122495012864. Its totient is φ = 682909617600.

The previous prime is 2528662668247. The next prime is 2528662668293.

2528662668252 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2528662668252² (a number of 26 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 31 ways as a sum of consecutive naturals, for example, 11179524 + ... + 11403467.

It is an arithmetic number, because the mean of its divisors is an integer number (74192656384).

Almost surely, 2^{2528662668252} is an apocalyptic number.

It is an amenable number.

2528662668252 is an abundant number, since it is smaller than the sum of its proper divisors (4593832344612).

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

2528662668252 is a wasteful number, since it uses less digits than its factorization.

2528662668252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22583079 (or 22583077 counting only the distinct ones).

The product of its digits is 66355200, while the sum is 60.

The spelling of 2528662668252 in words is "two trillion, five hundred twenty-eight billion, six hundred sixty-two million, six hundred sixty-eight thousand, two hundred fifty-two".