445533980 has 12 divisors (see below), whose sum is σ = 935621400. Its totient is φ = 178213584.

The previous prime is 445533973. The next prime is 445534069. The reversal of 445533980 is 89335544.

It is a congruent number.

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, 11138330 + ... + 11138369.

It is an arithmetic number, because the mean of its divisors is an integer number (77968450).

Almost surely, 2^445533980 is an apocalyptic number.

It is an amenable number.

445533980 is an abundant number, since it is smaller than the sum of its proper divisors (490087420).

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

445533980 is a wasteful number, since it uses less digits than its factorization.

445533980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22276708 (or 22276706 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 445533980 is about 21107.6758550059. The cubic root of 445533980 is about 763.7659229173.

The spelling of 445533980 in words is "four hundred forty-five million, five hundred thirty-three thousand, nine hundred eighty".