445644352 has 28 divisors (see below), whose sum is σ = 901017756. Its totient is φ = 218616320.

The previous prime is 445644349. The next prime is 445644377. The reversal of 445644352 is 253446544.

It can be written as a sum of positive squares in 2 ways, for example, as 372644416 + 72999936 = 19304^2 + 8544^2 .

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

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, 62299 + ... + 69082.

Almost surely, 2^445644352 is an apocalyptic number.

It is an amenable number.

445644352 is an abundant number, since it is smaller than the sum of its proper divisors (455373404).

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

445644352 is a wasteful number, since it uses less digits than its factorization.

445644352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131446 (or 131436 counting only the distinct ones).

The product of its digits is 230400, while the sum is 37.

The square root of 445644352 is about 21110.2901922262. The cubic root of 445644352 is about 763.8289868781.

The spelling of 445644352 in words is "four hundred forty-five million, six hundred forty-four thousand, three hundred fifty-two".