11838040288 has 24 divisors (see below), whose sum is σ = 24532782120. Its totient is φ = 5607492480.

The previous prime is 11838040283. The next prime is 11838040289. The reversal of 11838040288 is 88204083811.

It is a super-2 number, since 2×11838040288² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11838040283) 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 3 ways as a sum of consecutive naturals, for example, 9734623 + ... + 9735838.

It is an arithmetic number, because the mean of its divisors is an integer number (1022199255).

Almost surely, 2^11838040288 is an apocalyptic number.

It is an amenable number.

11838040288 is an abundant number, since it is smaller than the sum of its proper divisors (12694741832).

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

11838040288 is a wasteful number, since it uses less digits than its factorization.

11838040288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19470490 (or 19470482 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 43.

The spelling of 11838040288 in words is "eleven billion, eight hundred thirty-eight million, forty thousand, two hundred eighty-eight".