4043705940 has 72 divisors (see below), whose sum is σ = 12449018400. Its totient is φ = 1062224064.

The previous prime is 4043705933. The next prime is 4043706001. The reversal of 4043705940 is 495073404.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4043705895 and 4043705904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155590 + ... + 179709.

Almost surely, 2^4043705940 is an apocalyptic number.

It is an amenable number.

4043705940 is an abundant number, since it is smaller than the sum of its proper divisors (8405312460).

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

4043705940 is a wasteful number, since it uses less digits than its factorization.

4043705940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335381 (or 335376 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 4043705940 is about 63590.1402734732. The cubic root of 4043705940 is about 1593.1616927126.

The spelling of 4043705940 in words is "four billion, forty-three million, seven hundred five thousand, nine hundred forty".