402628608 has 168 divisors, whose sum is σ = 1199497728. Its totient is φ = 130056192.

The previous prime is 402628607. The next prime is 402628643. The reversal of 402628608 is 806826204.

402628608 is a `hidden beast` number, since 4 + 0 + 26 + 28 + 608 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (402628607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3170241 + ... + 3170367.

Almost surely, 2^402628608 is an apocalyptic number.

402628608 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402628608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (599748864).

402628608 is an abundant number, since it is smaller than the sum of its proper divisors (796869120).

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

402628608 is a wasteful number, since it uses less digits than its factorization.

402628608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 402628608 is about 20065.6075910998. The cubic root of 402628608 is about 738.4167562587.

The spelling of 402628608 in words is "four hundred two million, six hundred twenty-eight thousand, six hundred eight".