40404444003 has 32 divisors (see below), whose sum is σ = 74628702720. Its totient is φ = 20989320480.

The previous prime is 40404443999. The next prime is 40404444007. The reversal of 40404444003 is 30044440404.

It is an interprime number because it is at equal distance from previous prime (40404443999) and next prime (40404444007).

It is not a de Polignac number, because 40404444003 - 2² = 40404443999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (40404444007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9715200 + ... + 9719357.

It is an arithmetic number, because the mean of its divisors is an integer number (2332146960).

Almost surely, 2^40404444003 is an apocalyptic number.

40404444003 is a deficient number, since it is larger than the sum of its proper divisors (34224258717).

40404444003 is a wasteful number, since it uses less digits than its factorization.

40404444003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19434584 (or 19434578 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 40404444003 its reverse (30044440404), we get a palindrome (70448884407).

The spelling of 40404444003 in words is "forty billion, four hundred four million, four hundred forty-four thousand, three".