445215502220 has 48 divisors (see below), whose sum is σ = 962134322688. Its totient is φ = 172966572480.

The previous prime is 445215502217. The next prime is 445215502223. The reversal of 445215502220 is 22205512544.

It is an interprime number because it is at equal distance from previous prime (445215502217) and next prime (445215502223).

It is not an unprimeable number, because it can be changed into a prime (445215502223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1684622 + ... + 1930901.

It is an arithmetic number, because the mean of its divisors is an integer number (20044465056).

Almost surely, 2^445215502220 is an apocalyptic number.

It is an amenable number.

445215502220 is an abundant number, since it is smaller than the sum of its proper divisors (516918820468).

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

445215502220 is a wasteful number, since it uses less digits than its factorization.

445215502220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3615710 (or 3615708 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

The spelling of 445215502220 in words is "four hundred forty-five billion, two hundred fifteen million, five hundred two thousand, two hundred twenty".