445080380 has 12 divisors (see below), whose sum is σ = 934668840. Its totient is φ = 178032144.

The previous prime is 445080359. The next prime is 445080431. The reversal of 445080380 is 83080544.

It is a hoax number, since the sum of its digits (32) 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 3 ways as a sum of consecutive naturals, for example, 11126990 + ... + 11127029.

It is an arithmetic number, because the mean of its divisors is an integer number (77889070).

Almost surely, 2^445080380 is an apocalyptic number.

It is an amenable number.

445080380 is an abundant number, since it is smaller than the sum of its proper divisors (489588460).

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

445080380 is a wasteful number, since it uses less digits than its factorization.

445080380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22254028 (or 22254026 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 445080380 is about 21096.9282124199. The cubic root of 445080380 is about 763.5066371487.

The spelling of 445080380 in words is "four hundred forty-five million, eighty thousand, three hundred eighty".