402002000389 has 16 divisors (see below), whose sum is σ = 457779807360. Its totient is φ = 349441005760.

The previous prime is 402002000377. The next prime is 402002000441. The reversal of 402002000389 is 983000200204.

It is not a de Polignac number, because 402002000389 - 2⁹ = 402001999877 is a prime.

It is a super-3 number, since 3×402002000389³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402002000329) 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, 420759 + ... + 990475.

It is an arithmetic number, because the mean of its divisors is an integer number (28611237960).

Almost surely, 2^402002000389 is an apocalyptic number.

It is an amenable number.

402002000389 is a deficient number, since it is larger than the sum of its proper divisors (55777806971).

402002000389 is a wasteful number, since it uses less digits than its factorization.

402002000389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572540.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 402002000389 in words is "four hundred two billion, two million, three hundred eighty-nine", and thus it is an aban number.