2566120452 has 24 divisors (see below), whose sum is σ = 6842988096. Its totient is φ = 733177248.

The previous prime is 2566120399. The next prime is 2566120463. The reversal of 2566120452 is 2540216652.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15274443 + ... + 15274610.

It is an arithmetic number, because the mean of its divisors is an integer number (285124504).

Almost surely, 2^2566120452 is an apocalyptic number.

It is an amenable number.

2566120452 is an abundant number, since it is smaller than the sum of its proper divisors (4276867644).

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

2566120452 is a wasteful number, since it uses less digits than its factorization.

2566120452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30549067 (or 30549065 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 2566120452 is about 50656.8894820833. The cubic root of 2566120452 is about 1369.0700798614.

The spelling of 2566120452 in words is "two billion, five hundred sixty-six million, one hundred twenty thousand, four hundred fifty-two".