4043797992 has 256 divisors, whose sum is σ = 12795148800. Its totient is φ = 1188608256.

The previous prime is 4043797981. The next prime is 4043798021. The reversal of 4043797992 is 2997973404.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5230918 + ... + 5231690.

It is an arithmetic number, because the mean of its divisors is an integer number (49981050).

Almost surely, 2^4043797992 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 4043797992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6397574400).

4043797992 is an abundant number, since it is smaller than the sum of its proper divisors (8751350808).

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

4043797992 is a wasteful number, since it uses less digits than its factorization.

4043797992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836 (or 814 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 54.

The square root of 4043797992 is about 63590.8640608067. The cubic root of 4043797992 is about 1593.1737816733.

The spelling of 4043797992 in words is "four billion, forty-three million, seven hundred ninety-seven thousand, nine hundred ninety-two".