3440120424 has 32 divisors (see below), whose sum is σ = 9261863520. Its totient is φ = 1058498496.

The previous prime is 3440120413. The next prime is 3440120429. The reversal of 3440120424 is 4240210443.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 3440120394 and 3440120403.

It is not an unprimeable number, because it can be changed into a prime (3440120429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5512702 + ... + 5513325.

It is an arithmetic number, because the mean of its divisors is an integer number (289433235).

Almost surely, 2^3440120424 is an apocalyptic number.

It is an amenable number.

3440120424 is an abundant number, since it is smaller than the sum of its proper divisors (5821743096).

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

3440120424 is a wasteful number, since it uses less digits than its factorization.

3440120424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11026049 (or 11026045 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 3440120424 is about 58652.5397915555. The cubic root of 3440120424 is about 1509.5860777947.

Adding to 3440120424 its reverse (4240210443), we get a palindrome (7680330867).

The spelling of 3440120424 in words is "three billion, four hundred forty million, one hundred twenty thousand, four hundred twenty-four".