11443438032 has 120 divisors (see below), whose sum is σ = 33281557344. Its totient is φ = 3367871232.

The previous prime is 11443438007. The next prime is 11443438037. The reversal of 11443438032 is 23083434411.

It is a junction number, because it is equal to n+sod(n) for n = 11443437984 and 11443438002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11443438037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 312763 + ... + 347429.

Almost surely, 2^11443438032 is an apocalyptic number.

11443438032 is a gapful number since it is divisible by the number (12) 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 11443438032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16640778672).

11443438032 is an abundant number, since it is smaller than the sum of its proper divisors (21838119312).

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

11443438032 is a wasteful number, since it uses less digits than its factorization.

11443438032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34737 (or 34708 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The spelling of 11443438032 in words is "eleven billion, four hundred forty-three million, four hundred thirty-eight thousand, thirty-two".