2112031423440 has 60 divisors (see below), whose sum is σ = 7092905532804. Its totient is φ = 563208379392.

The previous prime is 2112031423429. The next prime is 2112031423477. The reversal of 2112031423440 is 443241302112.

2112031423440 is a `hidden beast` number, since 2 + 1 + 1 + 2 + 0 + 314 + 2 + 344 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1576189855296 + 535841568144 = 1255464^2 + 732012^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1466687769 + ... + 1466689208.

Almost surely, 2^{2112031423440} is an apocalyptic number.

2112031423440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112031423440 is an abundant number, since it is smaller than the sum of its proper divisors (4980874109364).

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

2112031423440 is a wasteful number, since it uses less digits than its factorization.

2112031423440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2933376996 (or 2933376987 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 2112031423440 its reverse (443241302112), we get a palindrome (2555272725552).

The spelling of 2112031423440 in words is "two trillion, one hundred twelve billion, thirty-one million, four hundred twenty-three thousand, four hundred forty".