2043332111440 has 160 divisors (see below), whose sum is σ = 4830065856000. Its totient is φ = 803819427840.

The previous prime is 2043332111413. The next prime is 2043332111477. The reversal of 2043332111440 is 441112333402.

It is a happy number.

It is a super-2 number, since 2×2043332111440² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2043332111399 and 2043332111408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 872844670 + ... + 872847010.

It is an arithmetic number, because the mean of its divisors is an integer number (30187911600).

Almost surely, 2^{2043332111440} is an apocalyptic number.

2043332111440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2043332111440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2415032928000).

2043332111440 is an abundant number, since it is smaller than the sum of its proper divisors (2786733744560).

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

2043332111440 is a wasteful number, since it uses less digits than its factorization.

2043332111440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3165 (or 3159 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 2043332111440 its reverse (441112333402), we get a palindrome (2484444444842).

The spelling of 2043332111440 in words is "two trillion, forty-three billion, three hundred thirty-two million, one hundred eleven thousand, four hundred forty".