2320944560 has 160 divisors (see below), whose sum is σ = 6038613504. Its totient is φ = 829382400.

The previous prime is 2320944551. The next prime is 2320944569. The reversal of 2320944560 is 654490232.

It is an interprime number because it is at equal distance from previous prime (2320944551) and next prime (2320944569).

It is a self number, because there is not a number n which added to its sum of digits gives 2320944560.

It is not an unprimeable number, because it can be changed into a prime (2320944569) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7559927 + ... + 7560233.

Almost surely, 2^2320944560 is an apocalyptic number.

2320944560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2320944560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3019306752).

2320944560 is an abundant number, since it is smaller than the sum of its proper divisors (3717668944).

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

2320944560 is a wasteful number, since it uses less digits than its factorization.

2320944560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 2320944560 is about 48176.1824971635. The cubic root of 2320944560 is about 1324.0008245021. Note that the first 3 decimals are identical.

The spelling of 2320944560 in words is "two billion, three hundred twenty million, nine hundred forty-four thousand, five hundred sixty".