445421820580365 has 32 divisors (see below), whose sum is σ = 722460996182016. Its totient is φ = 234314654184000.

The previous prime is 445421820580313. The next prime is 445421820580379. The reversal of 445421820580365 is 563085028124544.

It is not a de Polignac number, because 445421820580365 - 2⁷ = 445421820580237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 573912829 + ... + 574688418.

It is an arithmetic number, because the mean of its divisors is an integer number (22576906130688).

Almost surely, 2^{445421820580365} is an apocalyptic number.

It is an amenable number.

445421820580365 is a deficient number, since it is larger than the sum of its proper divisors (277039175601651).

445421820580365 is a wasteful number, since it uses less digits than its factorization.

445421820580365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148601609.

The product of its (nonzero) digits is 36864000, while the sum is 57.

The spelling of 445421820580365 in words is "four hundred forty-five trillion, four hundred twenty-one billion, eight hundred twenty million, five hundred eighty thousand, three hundred sixty-five".