10691288244 has 216 divisors, whose sum is σ = 34131621888. Its totient is φ = 2796716160.

The previous prime is 10691288233. The next prime is 10691288249. The reversal of 10691288244 is 44288219601.

It is a super-2 number, since 2×10691288244² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10691288244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10691288249) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2910529 + ... + 2914199.

It is an arithmetic number, because the mean of its divisors is an integer number (158016768).

Almost surely, 2^10691288244 is an apocalyptic number.

10691288244 is a gapful number since it is divisible by the number (14) 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 10691288244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17065810944).

10691288244 is an abundant number, since it is smaller than the sum of its proper divisors (23440333644).

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

10691288244 is a wasteful number, since it uses less digits than its factorization.

10691288244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3835 (or 3823 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 10691288244 in words is "ten billion, six hundred ninety-one million, two hundred eighty-eight thousand, two hundred forty-four".