2309029056 has 168 divisors, whose sum is σ = 6778556928. Its totient is φ = 751296000.

The previous prime is 2309029049. The next prime is 2309029061. The reversal of 2309029056 is 6509209032.

2309029056 is a `hidden beast` number, since 230 + 90 + 290 + 56 = 666.

It is a super-2 number, since 2×2309029056² = 10663230362904502272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2309029056.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 5357161 + ... + 5357591.

Almost surely, 2^2309029056 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 2309029056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3389278464).

2309029056 is an abundant number, since it is smaller than the sum of its proper divisors (4469527872).

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

2309029056 is a wasteful number, since it uses less digits than its factorization.

2309029056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651 (or 638 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 2309029056 is about 48052.3574447706. The cubic root of 2309029056 is about 1321.7311721117.

The spelling of 2309029056 in words is "two billion, three hundred nine million, twenty-nine thousand, fifty-six".