42435218 has 16 divisors (see below), whose sum is σ = 75093504. Its totient is φ = 17599680.

The previous prime is 42435203. The next prime is 42435221. The reversal of 42435218 is 81253424.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48455 + ... + 49322.

It is an arithmetic number, because the mean of its divisors is an integer number (4693344).

Almost surely, 2^42435218 is an apocalyptic number.

42435218 is a deficient number, since it is larger than the sum of its proper divisors (32658286).

42435218 is a wasteful number, since it uses less digits than its factorization.

42435218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97817.

The product of its digits is 7680, while the sum is 29.

The square root of 42435218 is about 6514.2319577982. The cubic root of 42435218 is about 348.7991992186.

The spelling of 42435218 in words is "forty-two million, four hundred thirty-five thousand, two hundred eighteen".