4408539403212 has 192 divisors, whose sum is σ = 13149300326400. Its totient is φ = 1251215864640.

The previous prime is 4408539403201. The next prime is 4408539403231. The reversal of 4408539403212 is 2123049358044.

4408539403212 is a `hidden beast` number, since 4 + 40 + 8 + 5 + 394 + 0 + 3 + 212 = 666.

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 63 ways as a sum of consecutive naturals, for example, 103799493 + ... + 103841955.

It is an arithmetic number, because the mean of its divisors is an integer number (68485939200).

Almost surely, 2^{4408539403212} is an apocalyptic number.

4408539403212 is a gapful number since it is divisible by the number (42) 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 4408539403212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6574650163200).

4408539403212 is an abundant number, since it is smaller than the sum of its proper divisors (8740760923188).

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

4408539403212 is a wasteful number, since it uses less digits than its factorization.

4408539403212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43393 (or 43385 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 4408539403212 in words is "four trillion, four hundred eight billion, five hundred thirty-nine million, four hundred three thousand, two hundred twelve".