456440564451 has 8 divisors (see below), whose sum is σ = 608771908800. Its totient is φ = 304201464872.

The previous prime is 456440564449. The next prime is 456440564477. The reversal of 456440564451 is 154465044654.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 456440564451 - 2¹ = 456440564449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 456440564451.

It is not an unprimeable number, because it can be changed into a prime (456440564351) 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, 23049645 + ... + 23069438.

It is an arithmetic number, because the mean of its divisors is an integer number (76096488600).

Almost surely, 2^456440564451 is an apocalyptic number.

456440564451 is a deficient number, since it is larger than the sum of its proper divisors (152331344349).

456440564451 is a wasteful number, since it uses less digits than its factorization.

456440564451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46122385.

The product of its (nonzero) digits is 4608000, while the sum is 48.

The spelling of 456440564451 in words is "four hundred fifty-six billion, four hundred forty million, five hundred sixty-four thousand, four hundred fifty-one".