40444441403 has 8 divisors (see below), whose sum is σ = 40518972816. Its totient is φ = 40369975200.

The previous prime is 40444441357. The next prime is 40444441417. The reversal of 40444441403 is 30414444404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40444441403 - 2¹² = 40444437307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40444441403.

It is not an unprimeable number, because it can be changed into a prime (40444441423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1324973 + ... + 1355153.

It is an arithmetic number, because the mean of its divisors is an integer number (5064871602).

Almost surely, 2^40444441403 is an apocalyptic number.

40444441403 is a deficient number, since it is larger than the sum of its proper divisors (74531413).

40444441403 is a wasteful number, since it uses less digits than its factorization.

40444441403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32605.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 40444441403 its reverse (30414444404), we get a palindrome (70858885807).

The spelling of 40444441403 in words is "forty billion, four hundred forty-four million, four hundred forty-one thousand, four hundred three".