402697232384 has 56 divisors (see below), whose sum is σ = 810288762960. Its totient is φ = 200112685056.

The previous prime is 402697232309. The next prime is 402697232447. The reversal of 402697232384 is 483232796204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1184507 + ... + 1486085.

Almost surely, 2^402697232384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402697232384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (405144381480).

402697232384 is an abundant number, since it is smaller than the sum of its proper divisors (407591530576).

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

402697232384 is an equidigital number, since it uses as much as digits as its factorization.

402697232384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301768 (or 301744 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 50.

The spelling of 402697232384 in words is "four hundred two billion, six hundred ninety-seven million, two hundred thirty-two thousand, three hundred eighty-four".