2309640600 has 48 divisors (see below), whose sum is σ = 7159887720. Its totient is φ = 615904000.

The previous prime is 2309640563. The next prime is 2309640601. The reversal of 2309640600 is 60469032.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2309640601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1924101 + ... + 1925300.

Almost surely, 2^2309640600 is an apocalyptic number.

2309640600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2309640600 is an abundant number, since it is smaller than the sum of its proper divisors (4850247120).

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

2309640600 is a wasteful number, since it uses less digits than its factorization.

2309640600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3849420 (or 3849411 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 2309640600 is about 48058.7203325265. The cubic root of 2309640600 is about 1321.8478481979.

The spelling of 2309640600 in words is "two billion, three hundred nine million, six hundred forty thousand, six hundred".