2331903840 has 96 divisors (see below), whose sum is σ = 8394865920. Its totient is φ = 533005824.

The previous prime is 2331903811. The next prime is 2331903851. The reversal of 2331903840 is 483091332.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

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, 343650 + ... + 350369.

It is an arithmetic number, because the mean of its divisors is an integer number (87446520).

Almost surely, 2^2331903840 is an apocalyptic number.

2331903840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2331903840 is an abundant number, since it is smaller than the sum of its proper divisors (6062962080).

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

2331903840 is a wasteful number, since it uses less digits than its factorization.

2331903840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694044 (or 694036 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 2331903840 is about 48289.7902252640. The cubic root of 2331903840 is about 1326.0814884550.

The spelling of 2331903840 in words is "two billion, three hundred thirty-one million, nine hundred three thousand, eight hundred forty".