402659328 has 48 divisors (see below), whose sum is σ = 1073512440. Its totient is φ = 134217728.

The previous prime is 402659291. The next prime is 402659339. The reversal of 402659328 is 823956204.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

In principle, a polygon with 402659328 sides can be constructed with ruler and compass.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26625 + ... + 38912.

Almost surely, 2^402659328 is an apocalyptic number.

402659328 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

402659328 is an abundant number, since it is smaller than the sum of its proper divisors (670853112).

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

402659328 is an equidigital number, since it uses as much as digits as its factorization.

402659328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65562 (or 65542 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 402659328 is about 20066.3730654047. The cubic root of 402659328 is about 738.4355358365.

The spelling of 402659328 in words is "four hundred two million, six hundred fifty-nine thousand, three hundred twenty-eight".