444213312396 has 144 divisors (see below), whose sum is σ = 1220279639040. Its totient is φ = 125394272640.

The previous prime is 444213312391. The next prime is 444213312397. The reversal of 444213312396 is 693213312444.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (444213312391) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17626821 + ... + 17652003.

It is an arithmetic number, because the mean of its divisors is an integer number (8474164160).

Almost surely, 2^444213312396 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 444213312396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (610139819520).

444213312396 is an abundant number, since it is smaller than the sum of its proper divisors (776066326644).

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

444213312396 is a wasteful number, since it uses less digits than its factorization.

444213312396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25564 (or 25555 counting only the distinct ones).

The product of its digits is 373248, while the sum is 42.

The spelling of 444213312396 in words is "four hundred forty-four billion, two hundred thirteen million, three hundred twelve thousand, three hundred ninety-six".