3157830440 has 32 divisors (see below), whose sum is σ = 7106935680. Its totient is φ = 1262809152.

The previous prime is 3157830433. The next prime is 3157830443. The reversal of 3157830440 is 440387513.

It is a self number, because there is not a number n which added to its sum of digits gives 3157830440.

It is not an unprimeable number, because it can be changed into a prime (3157830443) 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, 204677 + ... + 219563.

It is an arithmetic number, because the mean of its divisors is an integer number (222091740).

Almost surely, 2^3157830440 is an apocalyptic number.

It is an amenable number.

3157830440 is an abundant number, since it is smaller than the sum of its proper divisors (3949105240).

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

3157830440 is a wasteful number, since it uses less digits than its factorization.

3157830440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20201 (or 20197 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 3157830440 is about 56194.5766066442. The cubic root of 3157830440 is about 1467.1108725674.

The spelling of 3157830440 in words is "three billion, one hundred fifty-seven million, eight hundred thirty thousand, four hundred forty".