40443044033013 has 4 divisors (see below), whose sum is σ = 53924058710688. Its totient is φ = 26962029355340.

The previous prime is 40443044032981. The next prime is 40443044033059. The reversal of 40443044033013 is 31033044034404.

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 not a de Polignac number, because 40443044033013 - 2⁵ = 40443044032981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40443144033013) 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, 6740507338833 + ... + 6740507338838.

It is an arithmetic number, because the mean of its divisors is an integer number (13481014677672).

Almost surely, 2^{40443044033013} is an apocalyptic number.

It is an amenable number.

40443044033013 is a deficient number, since it is larger than the sum of its proper divisors (13481014677675).

40443044033013 is a wasteful number, since it uses less digits than its factorization.

40443044033013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13481014677674.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 40443044033013 its reverse (31033044034404), we get a palindrome (71476088067417).

The spelling of 40443044033013 in words is "forty trillion, four hundred forty-three billion, forty-four million, thirty-three thousand, thirteen".