445576922420 has 54 divisors (see below), whose sum is σ = 1088531817282. Its totient is φ = 152762066016.

The previous prime is 445576922419. The next prime is 445576922447. The reversal of 445576922420 is 24229675544.

It can be written as a sum of positive squares in only one way, i.e., 356461537936 + 89115384484 = 597044^2 + 298522^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20885879 + ... + 20907201.

Almost surely, 2^445576922420 is an apocalyptic number.

It is an amenable number.

445576922420 is an abundant number, since it is smaller than the sum of its proper divisors (642954894862).

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

445576922420 is an frugal number, since it uses more digits than its factorization.

445576922420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42669 (or 21337 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 50.

The spelling of 445576922420 in words is "four hundred forty-five billion, five hundred seventy-six million, nine hundred twenty-two thousand, four hundred twenty".