456421516 has 24 divisors (see below), whose sum is σ = 805896000. Its totient is φ = 226174032.

The previous prime is 456421501. The next prime is 456421523. The reversal of 456421516 is 615124654.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303735 + ... + 305233.

It is an arithmetic number, because the mean of its divisors is an integer number (33579000).

Almost surely, 2^456421516 is an apocalyptic number.

It is an amenable number.

456421516 is a deficient number, since it is larger than the sum of its proper divisors (349474484).

456421516 is a wasteful number, since it uses less digits than its factorization.

456421516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133 (or 2131 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 456421516 is about 21364.0238719208. The cubic root of 456421516 is about 769.9373176613.

The spelling of 456421516 in words is "four hundred fifty-six million, four hundred twenty-one thousand, five hundred sixteen".