2256642374 has 24 divisors (see below), whose sum is σ = 4011914448. Its totient is φ = 948882480.

The previous prime is 2256642361. The next prime is 2256642397. The reversal of 2256642374 is 4732466522.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212042 + ... + 222429.

It is an arithmetic number, because the mean of its divisors is an integer number (167163102).

Almost surely, 2^2256642374 is an apocalyptic number.

2256642374 is a deficient number, since it is larger than the sum of its proper divisors (1755272074).

2256642374 is a wasteful number, since it uses less digits than its factorization.

2256642374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434540 (or 434533 counting only the distinct ones).

The product of its digits is 483840, while the sum is 41.

The square root of 2256642374 is about 47504.1300730789. The cubic root of 2256642374 is about 1311.6589076345.

The spelling of 2256642374 in words is "two billion, two hundred fifty-six million, six hundred forty-two thousand, three hundred seventy-four".