40044202043 has 4 divisors (see below), whose sum is σ = 41335950528. Its totient is φ = 38752453560.

The previous prime is 40044202031. The next prime is 40044202061. The reversal of 40044202043 is 34020244004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40044202043 - 2⁴ = 40044202027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40044202063) 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, 645874196 + ... + 645874257.

It is an arithmetic number, because the mean of its divisors is an integer number (10333987632).

Almost surely, 2^40044202043 is an apocalyptic number.

40044202043 is a deficient number, since it is larger than the sum of its proper divisors (1291748485).

40044202043 is a wasteful number, since it uses less digits than its factorization.

40044202043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291748484.

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 40044202043 its reverse (34020244004), we get a palindrome (74064446047).

The spelling of 40044202043 in words is "forty billion, forty-four million, two hundred two thousand, forty-three".