402158328 has 128 divisors (see below), whose sum is σ = 1213470720. Its totient is φ = 109416960.

The previous prime is 402158311. The next prime is 402158347. The reversal of 402158328 is 823851204.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125401 + ... + 128567.

It is an arithmetic number, because the mean of its divisors is an integer number (9480240).

Almost surely, 2^402158328 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 402158328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (606735360).

402158328 is an abundant number, since it is smaller than the sum of its proper divisors (811312392).

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

402158328 is a wasteful number, since it uses less digits than its factorization.

402158328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3237 (or 3233 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 402158328 is about 20053.8856085298. The cubic root of 402158328 is about 738.1291480123.

The spelling of 402158328 in words is "four hundred two million, one hundred fifty-eight thousand, three hundred twenty-eight".