40444013441 has 24 divisors (see below), whose sum is σ = 45766783296. Its totient is φ = 35656420800.

The previous prime is 40444013419. The next prime is 40444013459. The reversal of 40444013441 is 14431044404.

It is not a de Polignac number, because 40444013441 - 2¹⁸ = 40443751297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40444013461) 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 23 ways as a sum of consecutive naturals, for example, 2717366 + ... + 2732208.

It is an arithmetic number, because the mean of its divisors is an integer number (1906949304).

Almost surely, 2^40444013441 is an apocalyptic number.

It is an amenable number.

40444013441 is a deficient number, since it is larger than the sum of its proper divisors (5322769855).

40444013441 is a wasteful number, since it uses less digits than its factorization.

40444013441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15593 (or 15580 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 40444013441 its reverse (14431044404), we get a palindrome (54875057845).

The spelling of 40444013441 in words is "forty billion, four hundred forty-four million, thirteen thousand, four hundred forty-one".