3112340240 has 20 divisors (see below), whose sum is σ = 7236191244. Its totient is φ = 1244936064.

The previous prime is 3112340237. The next prime is 3112340249. The reversal of 3112340240 is 420432113.

It can be written as a sum of positive squares in 2 ways, for example, as 2306688784 + 805651456 = 48028^2 + 28384^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (3112340249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19452047 + ... + 19452206.

Almost surely, 2^3112340240 is an apocalyptic number.

It is an amenable number.

3112340240 is an abundant number, since it is smaller than the sum of its proper divisors (4123851004).

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

3112340240 is a wasteful number, since it uses less digits than its factorization.

3112340240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38904266 (or 38904260 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3112340240 is about 55788.3521893235. The cubic root of 3112340240 is about 1460.0319377513.

Adding to 3112340240 its reverse (420432113), we get a palindrome (3532772353).

The spelling of 3112340240 in words is "three billion, one hundred twelve million, three hundred forty thousand, two hundred forty".