443140368 has 80 divisors (see below), whose sum is σ = 1266067776. Its totient is φ = 132433920.

The previous prime is 443140331. The next prime is 443140391. The reversal of 443140368 is 863041344.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32796 + ... + 44292.

Almost surely, 2^443140368 is an apocalyptic number.

443140368 is a gapful number since it is divisible by the number (48) 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 443140368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (633033888).

443140368 is an abundant number, since it is smaller than the sum of its proper divisors (822927408).

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

443140368 is a wasteful number, since it uses less digits than its factorization.

443140368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11592 (or 11586 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 443140368 is about 21050.8994582179. The cubic root of 443140368 is about 762.3956997174.

The spelling of 443140368 in words is "four hundred forty-three million, one hundred forty thousand, three hundred sixty-eight".