402466668 has 48 divisors (see below), whose sum is σ = 954178176. Its totient is φ = 132013440.

The previous prime is 402466667. The next prime is 402466693. The reversal of 402466668 is 866664204.

It is not an unprimeable number, because it can be changed into a prime (402466661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311103 + ... + 312393.

It is an arithmetic number, because the mean of its divisors is an integer number (19878712).

Almost surely, 2^402466668 is an apocalyptic number.

It is an amenable number.

402466668 is an abundant number, since it is smaller than the sum of its proper divisors (551711508).

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

402466668 is a wasteful number, since it uses less digits than its factorization.

402466668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694 (or 1692 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The square root of 402466668 is about 20061.5719224591. The cubic root of 402466668 is about 738.3177442142.

The spelling of 402466668 in words is "four hundred two million, four hundred sixty-six thousand, six hundred sixty-eight".