457020560 has 20 divisors (see below), whose sum is σ = 1062572988. Its totient is φ = 182808192.

The previous prime is 457020533. The next prime is 457020583. The reversal of 457020560 is 65020754.

It can be written as a sum of positive squares in 2 ways, for example, as 236913664 + 220106896 = 15392^2 + 14836^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 2856299 + ... + 2856458.

Almost surely, 2^457020560 is an apocalyptic number.

457020560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

457020560 is an abundant number, since it is smaller than the sum of its proper divisors (605552428).

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

457020560 is a wasteful number, since it uses less digits than its factorization.

457020560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5712770 (or 5712764 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 457020560 is about 21378.0391991408. The cubic root of 457020560 is about 770.2740127833.

The spelling of 457020560 in words is "four hundred fifty-seven million, twenty thousand, five hundred sixty".