2331520561940 has 48 divisors (see below), whose sum is σ = 5039169831360. Its totient is φ = 905755468800.

The previous prime is 2331520561927. The next prime is 2331520561957. The reversal of 2331520561940 is 491650251332.

2331520561940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 11804861 + ... + 12000740.

It is an arithmetic number, because the mean of its divisors is an integer number (104982704820).

Almost surely, 2^{2331520561940} is an apocalyptic number.

2331520561940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2331520561940 is an abundant number, since it is smaller than the sum of its proper divisors (2707649269420).

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

2331520561940 is a wasteful number, since it uses less digits than its factorization.

2331520561940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23805752 (or 23805750 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 2331520561940 in words is "two trillion, three hundred thirty-one billion, five hundred twenty million, five hundred sixty-one thousand, nine hundred forty".