445031516441220 has 24 divisors (see below), whose sum is σ = 1246088246035584. Its totient is φ = 118675071050976.

The previous prime is 445031516441219. The next prime is 445031516441249. The reversal of 445031516441220 is 22144615130544.

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, 3708595970284 + ... + 3708595970403.

It is an arithmetic number, because the mean of its divisors is an integer number (51920343584816).

Almost surely, 2^{445031516441220} is an apocalyptic number.

It is an amenable number.

445031516441220 is an abundant number, since it is smaller than the sum of its proper divisors (801056729594364).

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

445031516441220 is a wasteful number, since it uses less digits than its factorization.

445031516441220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7417191940699 (or 7417191940697 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 42.

The spelling of 445031516441220 in words is "four hundred forty-five trillion, thirty-one billion, five hundred sixteen million, four hundred forty-one thousand, two hundred twenty".