3112040140 has 72 divisors (see below), whose sum is σ = 7336518336. Its totient is φ = 1107532800.

The previous prime is 3112040089. The next prime is 3112040171. The reversal of 3112040140 is 410402113.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100060 + ... + 127420.

It is an arithmetic number, because the mean of its divisors is an integer number (101896088).

Almost surely, 2^3112040140 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 3112040140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3668259168).

3112040140 is an abundant number, since it is smaller than the sum of its proper divisors (4224478196).

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

3112040140 is a wasteful number, since it uses less digits than its factorization.

3112040140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27439 (or 27426 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 3112040140 is about 55785.6624949458. The cubic root of 3112040140 is about 1459.9850095415.

Adding to 3112040140 its reverse (410402113), we get a palindrome (3522442253).

The spelling of 3112040140 in words is "three billion, one hundred twelve million, forty thousand, one hundred forty".