457044056 has 64 divisors (see below), whose sum is σ = 1011286080. Its totient is φ = 189573120.

The previous prime is 457044019. The next prime is 457044061. The reversal of 457044056 is 650440754.

It is a super-2 number, since 2×457044056² = 417778538249862272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313826 + ... + 315278.

It is an arithmetic number, because the mean of its divisors is an integer number (15801345).

Almost surely, 2^457044056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 457044056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (505643040).

457044056 is an abundant number, since it is smaller than the sum of its proper divisors (554242024).

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

457044056 is a wasteful number, since it uses less digits than its factorization.

457044056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644 (or 1640 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 35.

The square root of 457044056 is about 21378.5887279773. The cubic root of 457044056 is about 770.2872128080.

The spelling of 457044056 in words is "four hundred fifty-seven million, forty-four thousand, fifty-six".