2031040232240 has 40 divisors (see below), whose sum is σ = 4837343390208. Its totient is φ = 792601064960.

The previous prime is 2031040232237. The next prime is 2031040232317. The reversal of 2031040232240 is 422320401302.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309606512 + ... + 309613071.

Almost surely, 2^{2031040232240} is an apocalyptic number.

2031040232240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031040232240 is an abundant number, since it is smaller than the sum of its proper divisors (2806303157968).

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

2031040232240 is a wasteful number, since it uses less digits than its factorization.

2031040232240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619219637 (or 619219631 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 2031040232240 its reverse (422320401302), we get a palindrome (2453360633542).

The spelling of 2031040232240 in words is "two trillion, thirty-one billion, forty million, two hundred thirty-two thousand, two hundred forty".