8439444246684 has 48 divisors (see below), whose sum is σ = 21507826556160. Its totient is φ = 2554359152640.

The previous prime is 8439444246683. The next prime is 8439444246697. The reversal of 8439444246684 is 4866424449348.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8439444246683) 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, 37991269 + ... + 38212764.

It is an arithmetic number, because the mean of its divisors is an integer number (448079719920).

Almost surely, 2^{8439444246684} is an apocalyptic number.

It is an amenable number.

8439444246684 is an abundant number, since it is smaller than the sum of its proper divisors (13068382309476).

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

8439444246684 is a wasteful number, since it uses less digits than its factorization.

8439444246684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76204890 (or 76204888 counting only the distinct ones).

The product of its digits is 509607936, while the sum is 66.

The spelling of 8439444246684 in words is "eight trillion, four hundred thirty-nine billion, four hundred forty-four million, two hundred forty-six thousand, six hundred eighty-four".