445238752 has 24 divisors (see below), whose sum is σ = 1001787696. Its totient is φ = 190816512.

The previous prime is 445238747. The next prime is 445238779. The reversal of 445238752 is 257832544.

It is a congruent number.

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, 993613 + ... + 994060.

It is an arithmetic number, because the mean of its divisors is an integer number (41741154).

Almost surely, 2^445238752 is an apocalyptic number.

It is an amenable number.

445238752 is an abundant number, since it is smaller than the sum of its proper divisors (556548944).

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

445238752 is a wasteful number, since it uses less digits than its factorization.

445238752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987690 (or 1987682 counting only the distinct ones).

The product of its digits is 268800, while the sum is 40.

The square root of 445238752 is about 21100.6813160144. The cubic root of 445238752 is about 763.5971853878.

The spelling of 445238752 in words is "four hundred forty-five million, two hundred thirty-eight thousand, seven hundred fifty-two".