446428944 has 60 divisors (see below), whose sum is σ = 1345492876. Its totient is φ = 137362176.

The previous prime is 446428907. The next prime is 446428963. The reversal of 446428944 is 449824644.

It can be written as a sum of positive squares in 2 ways, for example, as 75481344 + 370947600 = 8688^2 + 19260^2 .

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 446428944.

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, 117367 + ... + 121110.

Almost surely, 2^446428944 is an apocalyptic number.

It is an amenable number.

446428944 is an abundant number, since it is smaller than the sum of its proper divisors (899063932).

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

446428944 is a wasteful number, since it uses less digits than its factorization.

446428944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238504 (or 238495 counting only the distinct ones).

The product of its digits is 884736, while the sum is 45.

The square root of 446428944 is about 21128.8651848603. The cubic root of 446428944 is about 764.2769844437.

The spelling of 446428944 in words is "four hundred forty-six million, four hundred twenty-eight thousand, nine hundred forty-four".