42433518 has 16 divisors (see below), whose sum is σ = 86841216. Its totient is φ = 13815480.

The previous prime is 42433493. The next prime is 42433519. The reversal of 42433518 is 81533424.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42433519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81978 + ... + 82493.

It is an arithmetic number, because the mean of its divisors is an integer number (5427576).

Almost surely, 2^42433518 is an apocalyptic number.

42433518 is an abundant number, since it is smaller than the sum of its proper divisors (44407698).

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

42433518 is a wasteful number, since it uses less digits than its factorization.

42433518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164519.

The product of its digits is 11520, while the sum is 30.

The square root of 42433518 is about 6514.1014729585. The cubic root of 42433518 is about 348.7945414006.

The spelling of 42433518 in words is "forty-two million, four hundred thirty-three thousand, five hundred eighteen".