11020400044 has 24 divisors (see below), whose sum is σ = 20128092768. Its totient is φ = 5269608960.

The previous prime is 11020400023. The next prime is 11020400047. The reversal of 11020400044 is 44000402011.

It is not an unprimeable number, because it can be changed into a prime (11020400047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 713734 + ... + 729010.

It is an arithmetic number, because the mean of its divisors is an integer number (838670532).

Almost surely, 2^11020400044 is an apocalyptic number.

It is an amenable number.

11020400044 is a deficient number, since it is larger than the sum of its proper divisors (9107692724).

11020400044 is a wasteful number, since it uses less digits than its factorization.

11020400044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23145 (or 23143 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 11020400044 its reverse (44000402011), we get a palindrome (55020802055).

The spelling of 11020400044 in words is "eleven billion, twenty million, four hundred thousand, forty-four".