42240184 has 16 divisors (see below), whose sum is σ = 90514800. Its totient is φ = 18102912.

The previous prime is 42240181. The next prime is 42240221. The reversal of 42240184 is 48104224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42240181) 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, 377089 + ... + 377200.

It is an arithmetic number, because the mean of its divisors is an integer number (5657175).

Almost surely, 2^42240184 is an apocalyptic number.

It is an amenable number.

42240184 is an abundant number, since it is smaller than the sum of its proper divisors (48274616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42240184 is a wasteful number, since it uses less digits than its factorization.

42240184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754302 (or 754298 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 42240184 is about 6499.2448792148. The cubic root of 42240184 is about 348.2640133319.

It can be divided in two parts, 42240 and 184, that added together give a palindrome (42424).

The spelling of 42240184 in words is "forty-two million, two hundred forty thousand, one hundred eighty-four".