2456644466542 has 24 divisors (see below), whose sum is σ = 4286939226840. Its totient is φ = 1052762815440.

The previous prime is 2456644466537. The next prime is 2456644466557.

2456644466542 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220684 + ... + 2227552.

It is an arithmetic number, because the mean of its divisors is an integer number (178622467785).

Almost surely, 2^{2456644466542} is an apocalyptic number.

2456644466542 is a deficient number, since it is larger than the sum of its proper divisors (1830294760298).

2456644466542 is a wasteful number, since it uses less digits than its factorization.

2456644466542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019376 (or 2019369 counting only the distinct ones).

The product of its digits is 132710400, while the sum is 58.

The spelling of 2456644466542 in words is "two trillion, four hundred fifty-six billion, six hundred forty-four million, four hundred sixty-six thousand, five hundred forty-two".