445214234220 has 144 divisors (see below), whose sum is σ = 1451093107968. Its totient is φ = 101695413120.

The previous prime is 445214234203. The next prime is 445214234239. The reversal of 445214234220 is 22432412544.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4427905 + ... + 4527335.

It is an arithmetic number, because the mean of its divisors is an integer number (10077035472).

Almost surely, 2^445214234220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445214234220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (725546553984).

445214234220 is an abundant number, since it is smaller than the sum of its proper divisors (1005878873748).

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

445214234220 is a wasteful number, since it uses less digits than its factorization.

445214234220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100980 (or 100971 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 445214234220 its reverse (22432412544), we get a palindrome (467646646764).

The spelling of 445214234220 in words is "four hundred forty-five billion, two hundred fourteen million, two hundred thirty-four thousand, two hundred twenty".