2564462402 has 16 divisors (see below), whose sum is σ = 4015855800. Its totient is φ = 1226655360.

The previous prime is 2564462401. The next prime is 2564462437. The reversal of 2564462402 is 2042644652.

It can be written as a sum of positive squares in 4 ways, for example, as 2559449281 + 5013121 = 50591^2 + 2239^2 .

It is a super-2 number, since 2×2564462402² = 13152934822543219208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2564462401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196499 + ... + 209142.

Almost surely, 2^2564462402 is an apocalyptic number.

2564462402 is a deficient number, since it is larger than the sum of its proper divisors (1451393398).

2564462402 is a wasteful number, since it uses less digits than its factorization.

2564462402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405781.

The product of its (nonzero) digits is 92160, while the sum is 35.

The square root of 2564462402 is about 50640.5213440778. The cubic root of 2564462402 is about 1368.7751501199.

The spelling of 2564462402 in words is "two billion, five hundred sixty-four million, four hundred sixty-two thousand, four hundred two".