3113042440 has 64 divisors (see below), whose sum is σ = 7125687360. Its totient is φ = 1223735040.

The previous prime is 3113042419. The next prime is 3113042447. The reversal of 3113042440 is 442403113.

It is not an unprimeable number, because it can be changed into a prime (3113042447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1400530 + ... + 1402750.

It is an arithmetic number, because the mean of its divisors is an integer number (111338865).

Almost surely, 2^3113042440 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 3113042440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3562843680).

3113042440 is an abundant number, since it is smaller than the sum of its proper divisors (4012644920).

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

3113042440 is a wasteful number, since it uses less digits than its factorization.

3113042440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2822 (or 2818 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 3113042440 is about 55794.6452627849. The cubic root of 3113042440 is about 1460.1417326595.

Adding to 3113042440 its reverse (442403113), we get a palindrome (3555445553).

The spelling of 3113042440 in words is "three billion, one hundred thirteen million, forty-two thousand, four hundred forty".