42338330 has 32 divisors (see below), whose sum is σ = 81077760. Its totient is φ = 15863040.

The previous prime is 42338311. The next prime is 42338339. The reversal of 42338330 is 3383324.

It is a self number, because there is not a number n which added to its sum of digits gives 42338330.

It is not an unprimeable number, because it can be changed into a prime (42338339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45611 + ... + 46529.

It is an arithmetic number, because the mean of its divisors is an integer number (2533680).

Almost surely, 2^42338330 is an apocalyptic number.

42338330 is a deficient number, since it is larger than the sum of its proper divisors (38739430).

42338330 is a wasteful number, since it uses less digits than its factorization.

42338330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 42338330 is about 6506.7910677999. The cubic root of 42338330 is about 348.5335377319.

The spelling of 42338330 in words is "forty-two million, three hundred thirty-eight thousand, three hundred thirty".