42241418 has 8 divisors (see below), whose sum is σ = 63712740. Its totient is φ = 21003840.

The previous prime is 42241417. The next prime is 42241421. The reversal of 42241418 is 81414224.

It can be written as a sum of positive squares in 2 ways, for example, as 42159049 + 82369 = 6493^2 + 287^2 .

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

It is not an unprimeable number, because it can be changed into a prime (42241411) 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, 57983 + ... + 58706.

Almost surely, 2^42241418 is an apocalyptic number.

42241418 is a deficient number, since it is larger than the sum of its proper divisors (21471322).

42241418 is a wasteful number, since it uses less digits than its factorization.

42241418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116872.

The product of its digits is 2048, while the sum is 26.

The square root of 42241418 is about 6499.3398126271. The cubic root of 42241418 is about 348.2674046808.

It can be divided in two parts, 4 and 2241418, that added together give a palindrome (2241422).

The spelling of 42241418 in words is "forty-two million, two hundred forty-one thousand, four hundred eighteen".