1068999288 has 256 divisors, whose sum is σ = 3317760000. Its totient is φ = 286473600.

The previous prime is 1068999209. The next prime is 1068999289. The reversal of 1068999288 is 8829998601.

It is a super-2 number, since 2×1068999288² = 2285518955489013888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068999289) by changing a digit.

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, 15056293 + ... + 15056363.

It is an arithmetic number, because the mean of its divisors is an integer number (12960000).

Almost surely, 2^1068999288 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 1068999288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1658880000).

1068999288 is an abundant number, since it is smaller than the sum of its proper divisors (2248760712).

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

1068999288 is a wasteful number, since it uses less digits than its factorization.

1068999288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 60.

The square root of 1068999288 is about 32695.5545602151. The cubic root of 1068999288 is about 1022.4901633230.

The spelling of 1068999288 in words is "one billion, sixty-eight million, nine hundred ninety-nine thousand, two hundred eighty-eight".