11443340028 has 48 divisors (see below), whose sum is σ = 28143067680. Its totient is φ = 3613419264.

The previous prime is 11443340017. The next prime is 11443340047. The reversal of 11443340028 is 82004334411.

It is a junction number, because it is equal to n+sod(n) for n = 11443339977 and 11443340004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291775 + ... + 328662.

It is an arithmetic number, because the mean of its divisors is an integer number (586313910).

Almost surely, 2^11443340028 is an apocalyptic number.

It is an amenable number.

11443340028 is an abundant number, since it is smaller than the sum of its proper divisors (16699727652).

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

11443340028 is a wasteful number, since it uses less digits than its factorization.

11443340028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620526 (or 620524 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 11443340028 its reverse (82004334411), we get a palindrome (93447674439).

The spelling of 11443340028 in words is "eleven billion, four hundred forty-three million, three hundred forty thousand, twenty-eight".