455019564 has 24 divisors (see below), whose sum is σ = 1079709120. Its totient is φ = 149102224.

The previous prime is 455019559. The next prime is 455019629. The reversal of 455019564 is 465910554.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320634 + ... + 322049.

It is an arithmetic number, because the mean of its divisors is an integer number (44987880).

Almost surely, 2^455019564 is an apocalyptic number.

It is an amenable number.

455019564 is an abundant number, since it is smaller than the sum of its proper divisors (624689556).

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

455019564 is a wasteful number, since it uses less digits than its factorization.

455019564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642749 (or 642747 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 455019564 is about 21331.1875900054. The cubic root of 455019564 is about 769.1481916761.

The spelling of 455019564 in words is "four hundred fifty-five million, nineteen thousand, five hundred sixty-four".