2306644992 has 176 divisors, whose sum is σ = 7192339200. Its totient is φ = 728248320.

The previous prime is 2306644937. The next prime is 2306644997. The reversal of 2306644992 is 2994466032.

It is a super-2 number, since 2×2306644992² = 10641222238237360128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2306644997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 523117 + ... + 527507.

Almost surely, 2^2306644992 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 2306644992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3596169600).

2306644992 is an abundant number, since it is smaller than the sum of its proper divisors (4885694208).

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

2306644992 is a wasteful number, since it uses less digits than its factorization.

2306644992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4439 (or 4415 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The square root of 2306644992 is about 48027.5440971116. The cubic root of 2306644992 is about 1321.2761212732.

The spelling of 2306644992 in words is "two billion, three hundred six million, six hundred forty-four thousand, nine hundred ninety-two".