42018441 has 16 divisors (see below), whose sum is σ = 60076800. Its totient is φ = 26028288.

The previous prime is 42018433. The next prime is 42018461. The reversal of 42018441 is 14481024.

It is not a de Polignac number, because 42018441 - 2³ = 42018433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42018461) 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, 1186 + ... + 9243.

It is an arithmetic number, because the mean of its divisors is an integer number (3754800).

Almost surely, 2^42018441 is an apocalyptic number.

It is an amenable number.

42018441 is a deficient number, since it is larger than the sum of its proper divisors (18058359).

42018441 is a wasteful number, since it uses less digits than its factorization.

42018441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10528.

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 42018441 is about 6482.1632963078. The cubic root of 42018441 is about 347.6535311775.

Adding to 42018441 its reverse (14481024), we get a palindrome (56499465).

The spelling of 42018441 in words is "forty-two million, eighteen thousand, four hundred forty-one".