11964438882 has 192 divisors, whose sum is σ = 30561148800. Its totient is φ = 3474938880.

The previous prime is 11964438851. The next prime is 11964438883. The reversal of 11964438882 is 28883446911.

It is a happy number.

11964438882 is a `hidden beast` number, since 1 + 196 + 443 + 8 + 8 + 8 + 2 = 666.

It is a super-2 number, since 2×11964438882² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (11964438883) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 35502618 + ... + 35502954.

It is an arithmetic number, because the mean of its divisors is an integer number (159172650).

Almost surely, 2^11964438882 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11964438882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15280574400).

11964438882 is an abundant number, since it is smaller than the sum of its proper divisors (18596709918).

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

11964438882 is a wasteful number, since it uses less digits than its factorization.

11964438882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623 (or 611 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 54.

The spelling of 11964438882 in words is "eleven billion, nine hundred sixty-four million, four hundred thirty-eight thousand, eight hundred eighty-two".