452211912 has 48 divisors (see below), whose sum is σ = 1228666140. Its totient is φ = 150254208.

The previous prime is 452211899. The next prime is 452211923. The reversal of 452211912 is 219112254.

452211912 is a `hidden beast` number, since 452 + 21 + 191 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 290566116 + 161645796 = 17046^2 + 12714^2 .

It is a super-2 number, since 2×452211912² = 408991226709391488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12918 + ... + 32730.

Almost surely, 2^452211912 is an apocalyptic number.

It is an amenable number.

452211912 is an abundant number, since it is smaller than the sum of its proper divisors (776454228).

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

452211912 is a wasteful number, since it uses less digits than its factorization.

452211912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20142 (or 20135 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 452211912 is about 21265.2747924874. The cubic root of 452211912 is about 767.5629430566.

The spelling of 452211912 in words is "four hundred fifty-two million, two hundred eleven thousand, nine hundred twelve".