4407004663866 has 192 divisors, whose sum is σ = 11592590929920. Its totient is φ = 1228616009280.

The previous prime is 4407004663811. The next prime is 4407004663889. The reversal of 4407004663866 is 6683664007044.

4407004663866 is a `hidden beast` number, since 440 + 70 + 0 + 46 + 6 + 38 + 66 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 52883280 + ... + 52966548.

It is an arithmetic number, because the mean of its divisors is an integer number (60378077760).

Almost surely, 2^{4407004663866} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4407004663866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5796295464960).

4407004663866 is an abundant number, since it is smaller than the sum of its proper divisors (7185586266054).

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

4407004663866 is a wasteful number, since it uses less digits than its factorization.

4407004663866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83671 (or 83659 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 54.

The spelling of 4407004663866 in words is "four trillion, four hundred seven billion, four million, six hundred sixty-three thousand, eight hundred sixty-six".