455249992 has 16 divisors (see below), whose sum is σ = 866334960. Its totient is φ = 224227344.

The previous prime is 455249969. The next prime is 455249999. The reversal of 455249992 is 299942554.

It is not an unprimeable number, because it can be changed into a prime (455249999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424138 + ... + 425209.

It is an arithmetic number, because the mean of its divisors is an integer number (54145935).

Almost surely, 2^455249992 is an apocalyptic number.

It is an amenable number.

455249992 is a deficient number, since it is larger than the sum of its proper divisors (411084968).

455249992 is a wasteful number, since it uses less digits than its factorization.

455249992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849420 (or 849416 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 49.

The square root of 455249992 is about 21336.5881058805. The cubic root of 455249992 is about 769.2780054132.

The spelling of 455249992 in words is "four hundred fifty-five million, two hundred forty-nine thousand, nine hundred ninety-two".