2331819940 has 12 divisors (see below), whose sum is σ = 4896821916. Its totient is φ = 932727968.

The previous prime is 2331819929. The next prime is 2331819967. The reversal of 2331819940 is 499181332.

It can be written as a sum of positive squares in 2 ways, for example, as 1522872576 + 808947364 = 39024^2 + 28442^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2331819893 and 2331819902.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58295479 + ... + 58295518.

It is an arithmetic number, because the mean of its divisors is an integer number (408068493).

Almost surely, 2^2331819940 is an apocalyptic number.

2331819940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2331819940 is an abundant number, since it is smaller than the sum of its proper divisors (2565001976).

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

2331819940 is a wasteful number, since it uses less digits than its factorization.

2331819940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116591006 (or 116591004 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 2331819940 is about 48288.9215037984. The cubic root of 2331819940 is about 1326.0655844871.

The spelling of 2331819940 in words is "two billion, three hundred thirty-one million, eight hundred nineteen thousand, nine hundred forty".