3440043312 has 20 divisors (see below), whose sum is σ = 8886778680. Its totient is φ = 1146681088.

The previous prime is 3440043289. The next prime is 3440043319. The reversal of 3440043312 is 2133400443.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (3440043319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35833737 + ... + 35833832.

It is an arithmetic number, because the mean of its divisors is an integer number (444338934).

Almost surely, 2^3440043312 is an apocalyptic number.

It is an amenable number.

3440043312 is an abundant number, since it is smaller than the sum of its proper divisors (5446735368).

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

3440043312 is a wasteful number, since it uses less digits than its factorization.

3440043312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71667580 (or 71667574 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 3440043312 is about 58651.8824250339. The cubic root of 3440043312 is about 1509.5747983376.

Adding to 3440043312 its reverse (2133400443), we get a palindrome (5573443755).

The spelling of 3440043312 in words is "three billion, four hundred forty million, forty-three thousand, three hundred twelve".