2309109265740 has 24 divisors (see below), whose sum is σ = 6465505944240. Its totient is φ = 615762470848.

The previous prime is 2309109265693. The next prime is 2309109265741. The reversal of 2309109265740 is 475629019032.

It is a super-2 number, since 2×2309109265740² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2309109265740.

It is not an unprimeable number, because it can be changed into a prime (2309109265741) 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, 19242577155 + ... + 19242577274.

It is an arithmetic number, because the mean of its divisors is an integer number (269396081010).

Almost surely, 2^{2309109265740} is an apocalyptic number.

2309109265740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2309109265740 is an abundant number, since it is smaller than the sum of its proper divisors (4156396678500).

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

2309109265740 is a wasteful number, since it uses less digits than its factorization.

2309109265740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38485154441 (or 38485154439 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 48.

The spelling of 2309109265740 in words is "two trillion, three hundred nine billion, one hundred nine million, two hundred sixty-five thousand, seven hundred forty".