402328081848 has 512 divisors, whose sum is σ = 1300471603200. Its totient is φ = 100727193600.

The previous prime is 402328081811. The next prime is 402328081861. The reversal of 402328081848 is 848180823204.

It is a junction number, because it is equal to n+sod(n) for n = 402328081797 and 402328081806.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1669411008 + ... + 1669411248.

It is an arithmetic number, because the mean of its divisors is an integer number (2539983600).

Almost surely, 2^402328081848 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 402328081848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (650235801600).

402328081848 is an abundant number, since it is smaller than the sum of its proper divisors (898143521352).

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

402328081848 is a wasteful number, since it uses less digits than its factorization.

402328081848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571 (or 567 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 48.

The spelling of 402328081848 in words is "four hundred two billion, three hundred twenty-eight million, eighty-one thousand, eight hundred forty-eight".