402386355968 has 36 divisors (see below), whose sum is σ = 807406228608. Its totient is φ = 200139786240.

The previous prime is 402386355967. The next prime is 402386356061. The reversal of 402386355968 is 869553683204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402386355967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4065821 + ... + 4163612.

Almost surely, 2^402386355968 is an apocalyptic number.

It is an amenable number.

402386355968 is an abundant number, since it is smaller than the sum of its proper divisors (405019872640).

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

402386355968 is an equidigital number, since it uses as much as digits as its factorization.

402386355968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8229640 (or 8229626 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 59.

The spelling of 402386355968 in words is "four hundred two billion, three hundred eighty-six million, three hundred fifty-five thousand, nine hundred sixty-eight".