402084886660 has 24 divisors (see below), whose sum is σ = 850541612760. Its totient is φ = 159659983104.

The previous prime is 402084886627. The next prime is 402084886711. The reversal of 402084886660 is 66688480204.

It can be written as a sum of positive squares in 4 ways, for example, as 1122384004 + 400962502656 = 33502^2 + 633216^2 .

It is a junction number, because it is equal to n+sod(n) for n = 402084886598 and 402084886607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73370415 + ... + 73375894.

It is an arithmetic number, because the mean of its divisors is an integer number (35439233865).

Almost surely, 2^402084886660 is an apocalyptic number.

It is an amenable number.

402084886660 is an abundant number, since it is smaller than the sum of its proper divisors (448456726100).

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

402084886660 is a wasteful number, since it uses less digits than its factorization.

402084886660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146746455 (or 146746453 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 52.

The spelling of 402084886660 in words is "four hundred two billion, eighty-four million, eight hundred eighty-six thousand, six hundred sixty".