4399856620800 has 216 divisors, whose sum is σ = 14524266679104. Its totient is φ = 1172986183680.

The previous prime is 4399856620799. The next prime is 4399856620807. The reversal of 4399856620800 is 80266589934.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4399856620807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78173469 + ... + 78229731.

Almost surely, 2^{4399856620800} is an apocalyptic number.

4399856620800 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 4399856620800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7262133339552).

4399856620800 is an abundant number, since it is smaller than the sum of its proper divisors (10124410058304).

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

4399856620800 is a wasteful number, since it uses less digits than its factorization.

4399856620800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60365 (or 60346 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 60.

The spelling of 4399856620800 in words is "four trillion, three hundred ninety-nine billion, eight hundred fifty-six million, six hundred twenty thousand, eight hundred".