4002043398 has 32 divisors (see below), whose sum is σ = 8033485824. Its totient is φ = 1329125952.

The previous prime is 4002043393. The next prime is 4002043403. The reversal of 4002043398 is 8933402004.

It is an interprime number because it is at equal distance from previous prime (4002043393) and next prime (4002043403).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002043393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2690611 + ... + 2692097.

It is an arithmetic number, because the mean of its divisors is an integer number (251046432).

Almost surely, 2^4002043398 is an apocalyptic number.

4002043398 is an abundant number, since it is smaller than the sum of its proper divisors (4031442426).

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

4002043398 is a wasteful number, since it uses less digits than its factorization.

4002043398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2836.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 4002043398 is about 63261.7056203830. The cubic root of 4002043398 is about 1587.6713136303.

The spelling of 4002043398 in words is "four billion, two million, forty-three thousand, three hundred ninety-eight".