29360857856 has 54 divisors (see below), whose sum is σ = 63954742572. Its totient is φ = 13341711360.

The previous prime is 29360857829. The next prime is 29360857859. The reversal of 29360857856 is 65875806392.

It is a junction number, because it is equal to n+sod(n) for n = 29360857795 and 29360857804.

It is not an unprimeable number, because it can be changed into a prime (29360857859) 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 5 ways as a sum of consecutive naturals, for example, 9091250 + ... + 9094478.

Almost surely, 2^29360857856 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 29360857856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31977371286).

29360857856 is an abundant number, since it is smaller than the sum of its proper divisors (34593884716).

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

29360857856 is an frugal number, since it uses more digits than its factorization.

29360857856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6485 (or 3242 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 59.

The spelling of 29360857856 in words is "twenty-nine billion, three hundred sixty million, eight hundred fifty-seven thousand, eight hundred fifty-six".