451977928 has 16 divisors (see below), whose sum is σ = 892062000. Its totient is φ = 214094736.

The previous prime is 451977863. The next prime is 451977943. The reversal of 451977928 is 829779154.

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 3 ways as a sum of consecutive naturals, for example, 1486618 + ... + 1486921.

It is an arithmetic number, because the mean of its divisors is an integer number (55753875).

Almost surely, 2^451977928 is an apocalyptic number.

It is an amenable number.

451977928 is a deficient number, since it is larger than the sum of its proper divisors (440084072).

451977928 is a wasteful number, since it uses less digits than its factorization.

451977928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2973564 (or 2973560 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 52.

The square root of 451977928 is about 21259.7725293569. The cubic root of 451977928 is about 767.4305357879.

The spelling of 451977928 in words is "four hundred fifty-one million, nine hundred seventy-seven thousand, nine hundred twenty-eight".