3109475740 has 48 divisors (see below), whose sum is σ = 7467348672. Its totient is φ = 1065447936.

The previous prime is 3109475717. The next prime is 3109475821. The reversal of 3109475740 is 475749013.

It is a junction number, because it is equal to n+sod(n) for n = 3109475693 and 3109475702.

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, 256864 + ... + 268696.

It is an arithmetic number, because the mean of its divisors is an integer number (155569764).

Almost surely, 2^3109475740 is an apocalyptic number.

It is an amenable number.

3109475740 is an abundant number, since it is smaller than the sum of its proper divisors (4357872932).

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

3109475740 is a wasteful number, since it uses less digits than its factorization.

3109475740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13726 (or 13724 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 3109475740 is about 55762.6733577220. The cubic root of 3109475740 is about 1459.5838777822.

The spelling of 3109475740 in words is "three billion, one hundred nine million, four hundred seventy-five thousand, seven hundred forty".