4399558471680 has 208 divisors, whose sum is σ = 14101633987584. Its totient is φ = 1171151585280.

The previous prime is 4399558471661. The next prime is 4399558471697. The reversal of 4399558471680 is 861748559934.

It is a super-2 number, since 2×4399558471680² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35019537 + ... + 35144943.

It is an arithmetic number, because the mean of its divisors is an integer number (67796317248).

Almost surely, 2^{4399558471680} is an apocalyptic number.

4399558471680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4399558471680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7050816993792).

4399558471680 is an abundant number, since it is smaller than the sum of its proper divisors (9702075515904).

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

4399558471680 is a wasteful number, since it uses less digits than its factorization.

4399558471680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126010 (or 125988 counting only the distinct ones).

The product of its (nonzero) digits is 261273600, while the sum is 69.

The spelling of 4399558471680 in words is "four trillion, three hundred ninety-nine billion, five hundred fifty-eight million, four hundred seventy-one thousand, six hundred eighty".