456342446856 has 32 divisors (see below), whose sum is σ = 1140879608640. Its totient is φ = 152111016768.

The previous prime is 456342446839. The next prime is 456342446881. The reversal of 456342446856 is 658644243654.

It is a junction number, because it is equal to n+sod(n) for n = 456342446796 and 456342446805.

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 7 ways as a sum of consecutive naturals, for example, 1196010 + ... + 1530726.

It is an arithmetic number, because the mean of its divisors is an integer number (35652487770).

Almost surely, 2^456342446856 is an apocalyptic number.

It is an amenable number.

456342446856 is an abundant number, since it is smaller than the sum of its proper divisors (684537161784).

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

456342446856 is a wasteful number, since it uses less digits than its factorization.

456342446856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391533 (or 391529 counting only the distinct ones).

The product of its digits is 66355200, while the sum is 57.

The spelling of 456342446856 in words is "four hundred fifty-six billion, three hundred forty-two million, four hundred forty-six thousand, eight hundred fifty-six".