3133142440 has 48 divisors (see below), whose sum is σ = 7156768500. Its totient is φ = 1234480896.

The previous prime is 3133142423. The next prime is 3133142459. The reversal of 3133142440 is 442413313.

It can be written as a sum of positive squares in 2 ways, for example, as 2887342756 + 245799684 = 53734^2 + 15678^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170836 + ... + 188284.

Almost surely, 2^3133142440 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 3133142440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3578384250).

3133142440 is an abundant number, since it is smaller than the sum of its proper divisors (4023626060).

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

3133142440 is a wasteful number, since it uses less digits than its factorization.

3133142440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17594 (or 17523 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 3133142440 is about 55974.4802566312. The cubic root of 3133142440 is about 1463.2775619293.

Adding to 3133142440 its reverse (442413313), we get a palindrome (3575555753).

The spelling of 3133142440 in words is "three billion, one hundred thirty-three million, one hundred forty-two thousand, four hundred forty".