42043441 has 8 divisors (see below), whose sum is σ = 45993024. Its totient is φ = 38115120.

The previous prime is 42043439. The next prime is 42043451. The reversal of 42043441 is 14434024.

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 42043441 - 2¹ = 42043439 is a prime.

It is a super-2 number, since 2×42043441² = 3535301862240962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42043411) 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, 1021 + ... + 9226.

It is an arithmetic number, because the mean of its divisors is an integer number (5749128).

Almost surely, 2^42043441 is an apocalyptic number.

It is an amenable number.

42043441 is a deficient number, since it is larger than the sum of its proper divisors (3949583).

42043441 is a wasteful number, since it uses less digits than its factorization.

42043441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10631.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 42043441 is about 6484.0913781346. The cubic root of 42043441 is about 347.7224661096.

Adding to 42043441 its reverse (14434024), we get a palindrome (56477465).

The spelling of 42043441 in words is "forty-two million, forty-three thousand, four hundred forty-one".