11040402044 has 12 divisors (see below), whose sum is σ = 22080804144. Its totient is φ = 4731600864.

The previous prime is 11040402013. The next prime is 11040402071. The reversal of 11040402044 is 44020404011.

It is a happy number.

11040402044 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197150009 + ... + 197150064.

It is an arithmetic number, because the mean of its divisors is an integer number (1840067012).

Almost surely, 2^11040402044 is an apocalyptic number.

11040402044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11040402044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11040402044 is a wasteful number, since it uses less digits than its factorization.

11040402044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394300084 (or 394300082 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 11040402044 its reverse (44020404011), we get a palindrome (55060806055).

The spelling of 11040402044 in words is "eleven billion, forty million, four hundred two thousand, forty-four".