8818729035424 has 144 divisors (see below), whose sum is σ = 21931811294400. Its totient is φ = 3416671779840.

The previous prime is 8818729035421. The next prime is 8818729035449. The reversal of 8818729035424 is 4245309278188.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8818729035421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3942772 + ... + 5760460.

It is an arithmetic number, because the mean of its divisors is an integer number (152304245100).

Almost surely, 2^{8818729035424} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8818729035424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10965905647200).

8818729035424 is an abundant number, since it is smaller than the sum of its proper divisors (13113082258976).

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

8818729035424 is a wasteful number, since it uses less digits than its factorization.

8818729035424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817907 (or 1817888 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 61.

The spelling of 8818729035424 in words is "eight trillion, eight hundred eighteen billion, seven hundred twenty-nine million, thirty-five thousand, four hundred twenty-four".