2321057844 has 144 divisors (see below), whose sum is σ = 6807114496. Its totient is φ = 653184000.

The previous prime is 2321057839. The next prime is 2321057861. The reversal of 2321057844 is 4487501232.

It is a happy number.

2321057844 is a `hidden beast` number, since 2 + 32 + 10 + 578 + 44 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 2321057799 and 2321057808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6887244 + ... + 6887580.

Almost surely, 2^2321057844 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 2321057844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3403557248).

2321057844 is an abundant number, since it is smaller than the sum of its proper divisors (4486056652).

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

2321057844 is a wasteful number, since it uses less digits than its factorization.

2321057844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686 (or 681 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 2321057844 is about 48177.3582090176. The cubic root of 2321057844 is about 1324.0223653971.

The spelling of 2321057844 in words is "two billion, three hundred twenty-one million, fifty-seven thousand, eight hundred forty-four".