444535344 has 160 divisors (see below), whose sum is σ = 1404076800. Its totient is φ = 133539840.

The previous prime is 444535339. The next prime is 444535349. The reversal of 444535344 is 443535444.

It is an interprime number because it is at equal distance from previous prime (444535339) and next prime (444535349).

It is a super-2 number, since 2×444535344² = 395223344130396672, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 444535299 and 444535308.

It is not an unprimeable number, because it can be changed into a prime (444535349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 660192 + ... + 660864.

It is an arithmetic number, because the mean of its divisors is an integer number (8775480).

Almost surely, 2^444535344 is an apocalyptic number.

444535344 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444535344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (702038400).

444535344 is an abundant number, since it is smaller than the sum of its proper divisors (959541456).

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

444535344 is a wasteful number, since it uses less digits than its factorization.

444535344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840 (or 828 counting only the distinct ones).

The product of its digits is 230400, while the sum is 36.

The square root of 444535344 is about 21084.0068298225. The cubic root of 444535344 is about 763.1948518303.

The spelling of 444535344 in words is "four hundred forty-four million, five hundred thirty-five thousand, three hundred forty-four".