445405560 has 32 divisors (see below), whose sum is σ = 1336217040. Its totient is φ = 118774784.

The previous prime is 445405547. The next prime is 445405589. The reversal of 445405560 is 65504544.

It is a super-2 number, since 2×445405560² = 396772225757827200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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, 1855737 + ... + 1855976.

Almost surely, 2^445405560 is an apocalyptic number.

445405560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

445405560 is an abundant number, since it is smaller than the sum of its proper divisors (890811480).

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

445405560 is a wasteful number, since it uses less digits than its factorization.

445405560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3711727 (or 3711723 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 445405560 is about 21104.6336144459. The cubic root of 445405560 is about 763.6925336440.

The spelling of 445405560 in words is "four hundred forty-five million, four hundred five thousand, five hundred sixty".