2456859642 has 32 divisors (see below), whose sum is σ = 5085866880. Its totient is φ = 790292160.

The previous prime is 2456859637. The next prime is 2456859683. The reversal of 2456859642 is 2469586542.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 621123 + ... + 625065.

It is an arithmetic number, because the mean of its divisors is an integer number (158933340).

Almost surely, 2^2456859642 is an apocalyptic number.

2456859642 is an abundant number, since it is smaller than the sum of its proper divisors (2629007238).

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

2456859642 is a wasteful number, since it uses less digits than its factorization.

2456859642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7558.

The product of its digits is 4147200, while the sum is 51.

The square root of 2456859642 is about 49566.7190965874. The cubic root of 2456859642 is about 1349.3567382596.

The spelling of 2456859642 in words is "two billion, four hundred fifty-six million, eight hundred fifty-nine thousand, six hundred forty-two".