8668402846420 has 48 divisors (see below), whose sum is σ = 18836671472640. Its totient is φ = 3346852328064.

The previous prime is 8668402846409. The next prime is 8668402846489. The reversal of 8668402846420 is 246482048668.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a congruent number.

It is an unprimeable number.

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, 49524 + ... + 4164043.

It is an arithmetic number, because the mean of its divisors is an integer number (392430655680).

Almost surely, 2^{8668402846420} is an apocalyptic number.

It is an amenable number.

8668402846420 is an abundant number, since it is smaller than the sum of its proper divisors (10168268626220).

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

8668402846420 is a wasteful number, since it uses less digits than its factorization.

8668402846420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4217152 (or 4217150 counting only the distinct ones).

The product of its (nonzero) digits is 28311552, while the sum is 58.

The spelling of 8668402846420 in words is "eight trillion, six hundred sixty-eight billion, four hundred two million, eight hundred forty-six thousand, four hundred twenty".