2320555840 has 112 divisors (see below), whose sum is σ = 5735116800. Its totient is φ = 893399040.

The previous prime is 2320555807. The next prime is 2320555849. The reversal of 2320555840 is 485550232.

It is a junction number, because it is equal to n+sod(n) for n = 2320555796 and 2320555805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320555849) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2211636 + ... + 2212684.

It is an arithmetic number, because the mean of its divisors is an integer number (51206400).

Almost surely, 2^2320555840 is an apocalyptic number.

2320555840 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 2320555840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2867558400).

2320555840 is an abundant number, since it is smaller than the sum of its proper divisors (3414560960).

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

2320555840 is a wasteful number, since it uses less digits than its factorization.

2320555840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320 (or 1310 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 2320555840 is about 48172.1479695477. The cubic root of 2320555840 is about 1323.9269042622.

The spelling of 2320555840 in words is "two billion, three hundred twenty million, five hundred fifty-five thousand, eight hundred forty".