42044211243 has 16 divisors (see below), whose sum is σ = 62291168640. Its totient is φ = 28027922472.

The previous prime is 42044211229. The next prime is 42044211259. The reversal of 42044211243 is 34211244024.

42044211243 is a `hidden beast` number, since 4 + 204 + 4 + 211 + 243 = 666.

It is not a de Polignac number, because 42044211243 - 2¹⁶ = 42044145707 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (42044211263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 665380 + ... + 725822.

It is an arithmetic number, because the mean of its divisors is an integer number (3893198040).

Almost surely, 2^42044211243 is an apocalyptic number.

42044211243 is a deficient number, since it is larger than the sum of its proper divisors (20246957397).

42044211243 is a wasteful number, since it uses less digits than its factorization.

42044211243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86215 (or 86209 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 42044211243 its reverse (34211244024), we get a palindrome (76255455267).

The spelling of 42044211243 in words is "forty-two billion, forty-four million, two hundred eleven thousand, two hundred forty-three".