2564052442 has 32 divisors (see below), whose sum is σ = 4459052160. Its totient is φ = 1083075840.

The previous prime is 2564052437. The next prime is 2564052457. The reversal of 2564052442 is 2442504652.

2564052442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2564052398 and 2564052407.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409318 + ... + 415534.

It is an arithmetic number, because the mean of its divisors is an integer number (139345380).

Almost surely, 2^2564052442 is an apocalyptic number.

2564052442 is a deficient number, since it is larger than the sum of its proper divisors (1894999718).

2564052442 is a wasteful number, since it uses less digits than its factorization.

2564052442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6646.

The product of its (nonzero) digits is 76800, while the sum is 34.

The square root of 2564052442 is about 50636.4734356570. The cubic root of 2564052442 is about 1368.7022078710.

The spelling of 2564052442 in words is "two billion, five hundred sixty-four million, fifty-two thousand, four hundred forty-two".