3140012440 has 64 divisors (see below), whose sum is σ = 7417785600. Its totient is φ = 1193968512.

The previous prime is 3140012431. The next prime is 3140012467. The reversal of 3140012440 is 442100413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139491 + ... + 160429.

It is an arithmetic number, because the mean of its divisors is an integer number (115902900).

Almost surely, 2^3140012440 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 3140012440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3708892800).

3140012440 is an abundant number, since it is smaller than the sum of its proper divisors (4277773160).

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

3140012440 is a wasteful number, since it uses less digits than its factorization.

3140012440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21136 (or 21132 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 3140012440 is about 56035.8139050376. The cubic root of 3140012440 is about 1464.3462843056.

Adding to 3140012440 its reverse (442100413), we get a palindrome (3582112853).

The spelling of 3140012440 in words is "three billion, one hundred forty million, twelve thousand, four hundred forty".