452190920 has 16 divisors (see below), whose sum is σ = 1017429660. Its totient is φ = 180876352.

The previous prime is 452190919. The next prime is 452190943. The reversal of 452190920 is 29091254.

It can be written as a sum of positive squares in 2 ways, for example, as 405377956 + 46812964 = 20134^2 + 6842^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5652347 + ... + 5652426.

Almost surely, 2^452190920 is an apocalyptic number.

452190920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

452190920 is an abundant number, since it is smaller than the sum of its proper divisors (565238740).

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

452190920 is a wasteful number, since it uses less digits than its factorization.

452190920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11304784 (or 11304780 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 452190920 is about 21264.7812121357. The cubic root of 452190920 is about 767.5510659328.

The spelling of 452190920 in words is "four hundred fifty-two million, one hundred ninety thousand, nine hundred twenty".