11044343440 has 80 divisors (see below), whose sum is σ = 27670603968. Its totient is φ = 4075365888.

The previous prime is 11044343423. The next prime is 11044343447. The reversal of 11044343440 is 4434344011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 11044343399 and 11044343408.

It is not an unprimeable number, because it can be changed into a prime (11044343447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2813319 + ... + 2817241.

Almost surely, 2^11044343440 is an apocalyptic number.

11044343440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11044343440 is an abundant number, since it is smaller than the sum of its proper divisors (16626260528).

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

11044343440 is a wasteful number, since it uses less digits than its factorization.

11044343440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6656 (or 6650 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 11044343440 its reverse (4434344011), we get a palindrome (15478687451).

The spelling of 11044343440 in words is "eleven billion, forty-four million, three hundred forty-three thousand, four hundred forty".