2321112440 has 32 divisors (see below), whose sum is σ = 5402592000. Its totient is φ = 896429184.

The previous prime is 2321112427. The next prime is 2321112449. The reversal of 2321112440 is 442111232.

2321112440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321112449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999320 + ... + 1001639.

It is an arithmetic number, because the mean of its divisors is an integer number (168831000).

Almost surely, 2^2321112440 is an apocalyptic number.

2321112440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321112440 is an abundant number, since it is smaller than the sum of its proper divisors (3081479560).

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

2321112440 is a wasteful number, since it uses less digits than its factorization.

2321112440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000999 (or 2000995 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2321112440 is about 48177.9248203988. The cubic root of 2321112440 is about 1324.0327465485.

Adding to 2321112440 its reverse (442111232), we get a palindrome (2763223672).

The spelling of 2321112440 in words is "two billion, three hundred twenty-one million, one hundred twelve thousand, four hundred forty".