455173656 has 64 divisors (see below), whose sum is σ = 1302324480. Its totient is φ = 129866880.

The previous prime is 455173639. The next prime is 455173661. The reversal of 455173656 is 656371554.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 157666 + ... + 160526.

It is an arithmetic number, because the mean of its divisors is an integer number (20348820).

Almost surely, 2^455173656 is an apocalyptic number.

It is an amenable number.

455173656 is an abundant number, since it is smaller than the sum of its proper divisors (847150824).

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

455173656 is a wasteful number, since it uses less digits than its factorization.

455173656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3824 (or 3820 counting only the distinct ones).

The product of its digits is 378000, while the sum is 42.

The square root of 455173656 is about 21334.7991788064. The cubic root of 455173656 is about 769.2350056772.

The spelling of 455173656 in words is "four hundred fifty-five million, one hundred seventy-three thousand, six hundred fifty-six".