42244738 has 8 divisors (see below), whose sum is σ = 63414288. Its totient is φ = 21106644.

The previous prime is 42244717. The next prime is 42244739. The reversal of 42244738 is 83744224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (42244739) 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, 4156 + ... + 10087.

It is an arithmetic number, because the mean of its divisors is an integer number (7926786).

Almost surely, 2^42244738 is an apocalyptic number.

42244738 is a deficient number, since it is larger than the sum of its proper divisors (21169550).

42244738 is a wasteful number, since it uses less digits than its factorization.

42244738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15728.

The product of its digits is 43008, while the sum is 34.

The square root of 42244738 is about 6499.5952181655. The cubic root of 42244738 is about 348.2765285656.

The spelling of 42244738 in words is "forty-two million, two hundred forty-four thousand, seven hundred thirty-eight".