402957689384 has 32 divisors (see below), whose sum is σ = 761669529600. Its totient is φ = 199846543680.

The previous prime is 402957689377. The next prime is 402957689389. The reversal of 402957689384 is 483986759204.

It is a hoax number, since the sum of its digits (65) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 402957689384.

It is not an unprimeable number, because it can be changed into a prime (402957689389) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4621262 + ... + 4707650.

It is an arithmetic number, because the mean of its divisors is an integer number (23802172800).

Almost surely, 2^402957689384 is an apocalyptic number.

It is an amenable number.

402957689384 is a deficient number, since it is larger than the sum of its proper divisors (358711840216).

402957689384 is a wasteful number, since it uses less digits than its factorization.

402957689384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91113 (or 91109 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 65.

The spelling of 402957689384 in words is "four hundred two billion, nine hundred fifty-seven million, six hundred eighty-nine thousand, three hundred eighty-four".