455670856 has 32 divisors (see below), whose sum is σ = 910103040. Its totient is φ = 213138688.

The previous prime is 455670751. The next prime is 455670857. The reversal of 455670856 is 658076554.

It is not an unprimeable number, because it can be changed into a prime (455670857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12681 + ... + 32743.

It is an arithmetic number, because the mean of its divisors is an integer number (28440720).

Almost surely, 2^455670856 is an apocalyptic number.

It is an amenable number.

455670856 is a deficient number, since it is larger than the sum of its proper divisors (454432184).

455670856 is a wasteful number, since it uses less digits than its factorization.

455670856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20253 (or 20249 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 46.

The square root of 455670856 is about 21346.4483228475. The cubic root of 455670856 is about 769.5149900050.

The spelling of 455670856 in words is "four hundred fifty-five million, six hundred seventy thousand, eight hundred fifty-six".