402426230166 has 24 divisors (see below), whose sum is σ = 872058535920. Its totient is φ = 134121301776.

The previous prime is 402426230147. The next prime is 402426230257. The reversal of 402426230166 is 661032624204.

402426230166 is a `hidden beast` number, since 4 + 0 + 24 + 2 + 623 + 0 + 1 + 6 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 402426230166.

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 11 ways as a sum of consecutive naturals, for example, 1611570 + ... + 1844453.

It is an arithmetic number, because the mean of its divisors is an integer number (36335772330).

Almost surely, 2^402426230166 is an apocalyptic number.

402426230166 is an abundant number, since it is smaller than the sum of its proper divisors (469632305754).

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

402426230166 is a wasteful number, since it uses less digits than its factorization.

402426230166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3462500 (or 3462497 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 402426230166 in words is "four hundred two billion, four hundred twenty-six million, two hundred thirty thousand, one hundred sixty-six".