2043939744 has 720 divisors, whose sum is σ = 8110872000. Its totient is φ = 502951680.

The previous prime is 2043939743. The next prime is 2043939841. The reversal of 2043939744 is 4479393402.

It is a self number, because there is not a number n which added to its sum of digits gives 2043939744.

It is not an unprimeable number, because it can be changed into a prime (2043939743) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 107575767 + ... + 107575785.

It is an arithmetic number, because the mean of its divisors is an integer number (11265100).

Almost surely, 2^2043939744 is an apocalyptic number.

2043939744 is a gapful number since it is divisible by the number (24) 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 2043939744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4055436000).

2043939744 is an abundant number, since it is smaller than the sum of its proper divisors (6066932256).

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

2043939744 is a wasteful number, since it uses less digits than its factorization.

2043939744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The square root of 2043939744 is about 45209.9518247919. The cubic root of 2043939744 is about 1269.0810604960.

It can be divided in two parts, 20439397 and 44, that added together give a square (20439441 = 4521²).

The spelling of 2043939744 in words is "two billion, forty-three million, nine hundred thirty-nine thousand, seven hundred forty-four".