40331144441 has 4 divisors (see below), whose sum is σ = 46092736512. Its totient is φ = 34569552372.

The previous prime is 40331144431. The next prime is 40331144443. The reversal of 40331144441 is 14444113304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40331144441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40331144443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2880796025 + ... + 2880796038.

It is an arithmetic number, because the mean of its divisors is an integer number (11523184128).

Almost surely, 2^40331144441 is an apocalyptic number.

It is an amenable number.

40331144441 is a deficient number, since it is larger than the sum of its proper divisors (5761592071).

40331144441 is an equidigital number, since it uses as much as digits as its factorization.

40331144441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5761592070.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 40331144441 its reverse (14444113304), we get a palindrome (54775257745).

The spelling of 40331144441 in words is "forty billion, three hundred thirty-one million, one hundred forty-four thousand, four hundred forty-one".