452248644 has 12 divisors (see below), whose sum is σ = 1055246864. Its totient is φ = 150749544.

The previous prime is 452248633. The next prime is 452248663. The reversal of 452248644 is 446842254.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18843682 + ... + 18843705.

Almost surely, 2^452248644 is an apocalyptic number.

It is an amenable number.

452248644 is an abundant number, since it is smaller than the sum of its proper divisors (602998220).

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

452248644 is a wasteful number, since it uses less digits than its factorization.

452248644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37687394 (or 37687392 counting only the distinct ones).

The product of its digits is 245760, while the sum is 39.

The square root of 452248644 is about 21266.1384364910. The cubic root of 452248644 is about 767.5837248759.

The spelling of 452248644 in words is "four hundred fifty-two million, two hundred forty-eight thousand, six hundred forty-four".