42443011 has 8 divisors (see below), whose sum is σ = 46043424. Its totient is φ = 38890560.

The previous prime is 42442997. The next prime is 42443039. The reversal of 42443011 is 11034424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42443011 - 2¹¹ = 42440963 is a prime.

It is a super-2 number, since 2×42443011² = 3602818365492242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42443011.

It is not an unprimeable number, because it can be changed into a prime (42443311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10135 + ... + 13696.

It is an arithmetic number, because the mean of its divisors is an integer number (5755428).

Almost surely, 2^42443011 is an apocalyptic number.

42443011 is a deficient number, since it is larger than the sum of its proper divisors (3600413).

42443011 is a wasteful number, since it uses less digits than its factorization.

42443011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23981.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 42443011 is about 6514.8300822048. The cubic root of 42443011 is about 348.8205496119.

Adding to 42443011 its reverse (11034424), we get a palindrome (53477435).

The spelling of 42443011 in words is "forty-two million, four hundred forty-three thousand, eleven".