3124606369940 has 72 divisors (see below), whose sum is σ = 7220877969480. Its totient is φ = 1134887719680.

The previous prime is 3124606369921. The next prime is 3124606369943. The reversal of 3124606369940 is 499636064213.

It can be written as a sum of positive squares in 4 ways, for example, as 8159870224 + 3116446499716 = 90332^2 + 1765346^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3124606369943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1307426 + ... + 2821094.

Almost surely, 2^{3124606369940} 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 3124606369940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3610438984740).

3124606369940 is an abundant number, since it is smaller than the sum of its proper divisors (4096271599540).

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

3124606369940 is a wasteful number, since it uses less digits than its factorization.

3124606369940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514553 (or 1514540 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 53.

The spelling of 3124606369940 in words is "three trillion, one hundred twenty-four billion, six hundred six million, three hundred sixty-nine thousand, nine hundred forty".