444556860 has 96 divisors (see below), whose sum is σ = 1376669952. Its totient is φ = 106283520.

The previous prime is 444556843. The next prime is 444556873. The reversal of 444556860 is 68655444.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43567 + ... + 52793.

It is an arithmetic number, because the mean of its divisors is an integer number (14340312).

Almost surely, 2^444556860 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 444556860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (688334976).

444556860 is an abundant number, since it is smaller than the sum of its proper divisors (932113092).

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

444556860 is a wasteful number, since it uses less digits than its factorization.

444556860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9323 (or 9321 counting only the distinct ones).

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

The square root of 444556860 is about 21084.5170682186. The cubic root of 444556860 is about 763.2071647886.

It can be divided in two parts, 44455 and 6860, that added together give a palindrome (51315).

The spelling of 444556860 in words is "four hundred forty-four million, five hundred fifty-six thousand, eight hundred sixty".