42440204223211 has 4 divisors (see below), whose sum is σ = 42441282163792. Its totient is φ = 42439126282632.

The previous prime is 42440204223199. The next prime is 42440204223293. The reversal of 42440204223211 is 11232240204424.

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 42440204223211 - 2³⁹ = 41890448409323 is a prime.

It is a super-2 number, since 2×42440204223211² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42440204923211) 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, 538911231 + ... + 538989976.

It is an arithmetic number, because the mean of its divisors is an integer number (10610320540948).

Almost surely, 2^{42440204223211} is an apocalyptic number.

42440204223211 is a deficient number, since it is larger than the sum of its proper divisors (1077940581).

42440204223211 is a wasteful number, since it uses less digits than its factorization.

42440204223211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077940580.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 42440204223211 its reverse (11232240204424), we get a palindrome (53672444427635).

The spelling of 42440204223211 in words is "forty-two trillion, four hundred forty billion, two hundred four million, two hundred twenty-three thousand, two hundred eleven".