40003444011 has 16 divisors (see below), whose sum is σ = 54620006400. Its totient is φ = 26035508928.

The previous prime is 40003444009. The next prime is 40003444051. The reversal of 40003444011 is 11044430004.

It is not a de Polignac number, because 40003444011 - 2¹ = 40003444009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40003444051) 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, 927171 + ... + 969356.

It is an arithmetic number, because the mean of its divisors is an integer number (3413750400).

Almost surely, 2^40003444011 is an apocalyptic number.

40003444011 is a deficient number, since it is larger than the sum of its proper divisors (14616562389).

40003444011 is a wasteful number, since it uses less digits than its factorization.

40003444011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896698.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 40003444011 its reverse (11044430004), we get a palindrome (51047874015).

The spelling of 40003444011 in words is "forty billion, three million, four hundred forty-four thousand, eleven".