2043740432 has 40 divisors (see below), whose sum is σ = 4127682240. Its totient is φ = 979072640.

The previous prime is 2043740431. The next prime is 2043740437. The reversal of 2043740432 is 2340473402.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 2043740395 and 2043740404.

It is not an unprimeable number, because it can be changed into a prime (2043740431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43973 + ... + 77595.

It is an arithmetic number, because the mean of its divisors is an integer number (103192056).

Almost surely, 2^2043740432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2043740432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2063841120).

2043740432 is an abundant number, since it is smaller than the sum of its proper divisors (2083941808).

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

2043740432 is a wasteful number, since it uses less digits than its factorization.

2043740432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33791 (or 33785 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 29.

The square root of 2043740432 is about 45207.7474776172. The cubic root of 2043740432 is about 1269.0398082515.

The spelling of 2043740432 in words is "two billion, forty-three million, seven hundred forty thousand, four hundred thirty-two".