451555016 has 16 divisors (see below), whose sum is σ = 923635440. Its totient is φ = 205252240.

The previous prime is 451554973. The next prime is 451555051. The reversal of 451555016 is 610555154.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2565566 + ... + 2565741.

It is an arithmetic number, because the mean of its divisors is an integer number (57727215).

Almost surely, 2^451555016 is an apocalyptic number.

It is an amenable number.

451555016 is an abundant number, since it is smaller than the sum of its proper divisors (472080424).

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

451555016 is a wasteful number, since it uses less digits than its factorization.

451555016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5131324 (or 5131320 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

The square root of 451555016 is about 21249.8239051527. The cubic root of 451555016 is about 767.1911016303.

The spelling of 451555016 in words is "four hundred fifty-one million, five hundred fifty-five thousand, sixteen".