2309786496 has 128 divisors (see below), whose sum is σ = 6983776800. Its totient is φ = 751104000.

The previous prime is 2309786489. The next prime is 2309786539. The reversal of 2309786496 is 6946879032.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×2309786496² = 10670227314207916032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 133546 + ... + 149846.

Almost surely, 2^2309786496 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 2309786496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3491888400).

2309786496 is an abundant number, since it is smaller than the sum of its proper divisors (4673990304).

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

2309786496 is a wasteful number, since it uses less digits than its factorization.

2309786496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16365 (or 16347 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The square root of 2309786496 is about 48060.2382016569. The cubic root of 2309786496 is about 1321.8756805590.

The spelling of 2309786496 in words is "two billion, three hundred nine million, seven hundred eighty-six thousand, four hundred ninety-six".