402076668 has 48 divisors (see below), whose sum is σ = 1098365184. Its totient is φ = 112076160.

The previous prime is 402076667. The next prime is 402076691. The reversal of 402076668 is 866670204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402076663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54930 + ... + 61817.

It is an arithmetic number, because the mean of its divisors is an integer number (22882608).

Almost surely, 2^402076668 is an apocalyptic number.

It is an amenable number.

402076668 is an abundant number, since it is smaller than the sum of its proper divisors (696288516).

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

402076668 is a wasteful number, since it uses less digits than its factorization.

402076668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116802 (or 116800 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 402076668 is about 20051.8494907577. The cubic root of 402076668 is about 738.0791845177.

The spelling of 402076668 in words is "four hundred two million, seventy-six thousand, six hundred sixty-eight".