40021444004233 has 4 divisors (see below), whose sum is σ = 40036338478080. Its totient is φ = 40006549530388.

The previous prime is 40021444004207. The next prime is 40021444004273. The reversal of 40021444004233 is 33240044412004.

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 40021444004233 - 2⁹ = 40021444003721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40021444004195 and 40021444004204.

It is not an unprimeable number, because it can be changed into a prime (40021444004273) 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, 7447232893 + ... + 7447238266.

It is an arithmetic number, because the mean of its divisors is an integer number (10009084619520).

Almost surely, 2^{40021444004233} is an apocalyptic number.

It is an amenable number.

40021444004233 is a deficient number, since it is larger than the sum of its proper divisors (14894473847).

40021444004233 is a wasteful number, since it uses less digits than its factorization.

40021444004233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14894473846.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 40021444004233 its reverse (33240044412004), we get a palindrome (73261488416237).

The spelling of 40021444004233 in words is "forty trillion, twenty-one billion, four hundred forty-four million, four thousand, two hundred thirty-three".