40404442011 has 16 divisors (see below), whose sum is σ = 57822961824. Its totient is φ = 25004519424.

The previous prime is 40404441989. The next prime is 40404442019. The reversal of 40404442011 is 11024440404.

It is a happy number.

It is not a de Polignac number, because 40404442011 - 2⁹ = 40404441499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40404442019) 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 15 ways as a sum of consecutive naturals, for example, 5422606 + ... + 5430051.

It is an arithmetic number, because the mean of its divisors is an integer number (3613935114).

Almost surely, 2^40404442011 is an apocalyptic number.

40404442011 is a deficient number, since it is larger than the sum of its proper divisors (17418519813).

40404442011 is a wasteful number, since it uses less digits than its factorization.

40404442011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10852750.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 40404442011 its reverse (11024440404), we get a palindrome (51428882415).

The spelling of 40404442011 in words is "forty billion, four hundred four million, four hundred forty-two thousand, eleven".