445994752 has 72 divisors (see below), whose sum is σ = 1071056000. Its totient is φ = 181066752.

The previous prime is 445994719. The next prime is 445994803. The reversal of 445994752 is 257499544.

It is a happy number.

It is a super-2 number, since 2×445994752² = 397822637623083008, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 445994696 and 445994705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27499 + ... + 40597.

Almost surely, 2^445994752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445994752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (535528000).

445994752 is an abundant number, since it is smaller than the sum of its proper divisors (625061248).

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

445994752 is a wasteful number, since it uses less digits than its factorization.

445994752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13141 (or 13127 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 49.

The square root of 445994752 is about 21118.5878315762. The cubic root of 445994752 is about 764.0291282079.

The spelling of 445994752 in words is "four hundred forty-five million, nine hundred ninety-four thousand, seven hundred fifty-two".