445938860 has 12 divisors (see below), whose sum is σ = 936471648. Its totient is φ = 178375536.

The previous prime is 445938817. The next prime is 445938863. The reversal of 445938860 is 68839544.

It is a super-2 number, since 2×445938860² = 397722933716199200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (445938863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11148452 + ... + 11148491.

It is an arithmetic number, because the mean of its divisors is an integer number (78039304).

Almost surely, 2^445938860 is an apocalyptic number.

It is an amenable number.

445938860 is an abundant number, since it is smaller than the sum of its proper divisors (490532788).

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

445938860 is a wasteful number, since it uses less digits than its factorization.

445938860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22296952 (or 22296950 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The square root of 445938860 is about 21117.2645008770. The cubic root of 445938860 is about 763.9972108667.

The spelling of 445938860 in words is "four hundred forty-five million, nine hundred thirty-eight thousand, eight hundred sixty".