11044424440 has 128 divisors (see below), whose sum is σ = 29335426560. Its totient is φ = 3663604224.

The previous prime is 11044424429. The next prime is 11044424453. The reversal of 11044424440 is 4442444011.

It is a super-2 number, since 2×11044424440² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 11044424399 and 11044424408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1283994 + ... + 1292566.

It is an arithmetic number, because the mean of its divisors is an integer number (229183020).

Almost surely, 2^11044424440 is an apocalyptic number.

11044424440 is a gapful number since it is divisible by the number (10) 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 11044424440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14667713280).

11044424440 is an abundant number, since it is smaller than the sum of its proper divisors (18291002120).

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

11044424440 is a wasteful number, since it uses less digits than its factorization.

11044424440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8741 (or 8737 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 11044424440 its reverse (4442444011), we get a palindrome (15486868451).

The spelling of 11044424440 in words is "eleven billion, forty-four million, four hundred twenty-four thousand, four hundred forty".