2331442140 has 48 divisors (see below), whose sum is σ = 6532528128. Its totient is φ = 621290304.

The previous prime is 2331442111. The next prime is 2331442189. The reversal of 2331442140 is 412441332.

It is a self number, because there is not a number n which added to its sum of digits gives 2331442140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79989 + ... + 105171.

It is an arithmetic number, because the mean of its divisors is an integer number (136094336).

Almost surely, 2^2331442140 is an apocalyptic number.

2331442140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2331442140 is an abundant number, since it is smaller than the sum of its proper divisors (4201085988).

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

2331442140 is a wasteful number, since it uses less digits than its factorization.

2331442140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26738 (or 26736 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2331442140 is about 48285.0094749913. The cubic root of 2331442140 is about 1325.9939645151.

Adding to 2331442140 its reverse (412441332), we get a palindrome (2743883472).

The spelling of 2331442140 in words is "two billion, three hundred thirty-one million, four hundred forty-two thousand, one hundred forty".