2309640496 has 40 divisors (see below), whose sum is σ = 4687851744. Its totient is φ = 1100267520.

The previous prime is 2309640481. The next prime is 2309640497. The reversal of 2309640496 is 6940469032.

It is not an unprimeable number, because it can be changed into a prime (2309640497) 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, 82366 + ... + 106786.

Almost surely, 2^2309640496 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 2309640496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2343925872).

2309640496 is an abundant number, since it is smaller than the sum of its proper divisors (2378211248).

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

2309640496 is a wasteful number, since it uses less digits than its factorization.

2309640496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24709 (or 24703 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 43.

The square root of 2309640496 is about 48058.7192505169. The cubic root of 2309640496 is about 1321.8478283576.

The spelling of 2309640496 in words is "two billion, three hundred nine million, six hundred forty thousand, four hundred ninety-six".