42318835 has 16 divisors (see below), whose sum is σ = 54825120. Its totient is φ = 31173120.

The previous prime is 42318823. The next prime is 42318841. The reversal of 42318835 is 53881324.

It is a happy number.

It is not a de Polignac number, because 42318835 - 2⁷ = 42318707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42318835.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47595 + ... + 48475.

It is an arithmetic number, because the mean of its divisors is an integer number (3426570).

Almost surely, 2^42318835 is an apocalyptic number.

42318835 is a deficient number, since it is larger than the sum of its proper divisors (12506285).

42318835 is a wasteful number, since it uses less digits than its factorization.

42318835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638.

The product of its digits is 23040, while the sum is 34.

The square root of 42318835 is about 6505.2928450609. The cubic root of 42318835 is about 348.4800345630.

The spelling of 42318835 in words is "forty-two million, three hundred eighteen thousand, eight hundred thirty-five".