452217918 has 32 divisors (see below), whose sum is σ = 970772256. Its totient is φ = 139926528.

The previous prime is 452217893. The next prime is 452217929. The reversal of 452217918 is 819712254.

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, 22921 + ... + 37812.

It is an arithmetic number, because the mean of its divisors is an integer number (30336633).

Almost surely, 2^452217918 is an apocalyptic number.

452217918 is an abundant number, since it is smaller than the sum of its proper divisors (518554338).

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

452217918 is a wasteful number, since it uses less digits than its factorization.

452217918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60828.

The product of its digits is 40320, while the sum is 39.

The square root of 452217918 is about 21265.4160081575. The cubic root of 452217918 is about 767.5663411409.

The spelling of 452217918 in words is "four hundred fifty-two million, two hundred seventeen thousand, nine hundred eighteen".