3112151440040 has 32 divisors (see below), whose sum is σ = 7037528400000. Its totient is φ = 1238604992064.

The previous prime is 3112151440019. The next prime is 3112151440049. The reversal of 3112151440040 is 400441512113.

3112151440040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3112151439991 and 3112151440009.

It is not an unprimeable number, because it can be changed into a prime (3112151440049) 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, 195478940 + ... + 195494859.

It is an arithmetic number, because the mean of its divisors is an integer number (219922762500).

Almost surely, 2^{3112151440040} is an apocalyptic number.

It is an amenable number.

3112151440040 is an abundant number, since it is smaller than the sum of its proper divisors (3925376959960).

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

3112151440040 is a wasteful number, since it uses less digits than its factorization.

3112151440040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390974009 (or 390974005 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 3112151440040 its reverse (400441512113), we get a palindrome (3512592952153).

The spelling of 3112151440040 in words is "three trillion, one hundred twelve billion, one hundred fifty-one million, four hundred forty thousand, forty".