402000043999 has 8 divisors (see below), whose sum is σ = 405953959680. Its totient is φ = 398049774936.

The previous prime is 402000043927. The next prime is 402000044011. The reversal of 402000043999 is 999340000204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 402000043999 - 2¹¹ = 402000041951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402000040999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689829 + ... + 1131310.

It is an arithmetic number, because the mean of its divisors is an integer number (50744244960).

Almost surely, 2^402000043999 is an apocalyptic number.

402000043999 is a deficient number, since it is larger than the sum of its proper divisors (3953915681).

402000043999 is a wasteful number, since it uses less digits than its factorization.

402000043999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823309.

The product of its (nonzero) digits is 69984, while the sum is 40.

The spelling of 402000043999 in words is "four hundred two billion, forty-three thousand, nine hundred ninety-nine".