2321004113440 has 48 divisors (see below), whose sum is σ = 5486124287448. Its totient is φ = 927935686656.

The previous prime is 2321004113419. The next prime is 2321004113497. The reversal of 2321004113440 is 443114001232.

It can be written as a sum of positive squares in 4 ways, for example, as 2309026124304 + 11977989136 = 1519548^2 + 109444^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3320427 + ... + 3958186.

Almost surely, 2^{2321004113440} is an apocalyptic number.

2321004113440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321004113440 is an abundant number, since it is smaller than the sum of its proper divisors (3165120174008).

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

2321004113440 is a wasteful number, since it uses less digits than its factorization.

2321004113440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7280621 (or 7280613 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 2321004113440 its reverse (443114001232), we get a palindrome (2764118114672).

The spelling of 2321004113440 in words is "two trillion, three hundred twenty-one billion, four million, one hundred thirteen thousand, four hundred forty".