451044656 has 20 divisors (see below), whose sum is σ = 904034400. Its totient is φ = 217745472.

The previous prime is 451044631. The next prime is 451044661. The reversal of 451044656 is 656440154.

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, 485576 + ... + 486503.

It is an arithmetic number, because the mean of its divisors is an integer number (45201720).

Almost surely, 2^451044656 is an apocalyptic number.

It is an amenable number.

451044656 is an abundant number, since it is smaller than the sum of its proper divisors (452989744).

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

451044656 is a wasteful number, since it uses less digits than its factorization.

451044656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972116 (or 972110 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 451044656 is about 21237.8119400281. The cubic root of 451044656 is about 766.9019591186.

The spelling of 451044656 in words is "four hundred fifty-one million, forty-four thousand, six hundred fifty-six".