42444398 has 8 divisors (see below), whose sum is σ = 63868392. Its totient is φ = 21154936.

The previous prime is 42444383. The next prime is 42444403. The reversal of 42444398 is 89344424.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32840 + ... + 34107.

It is an arithmetic number, because the mean of its divisors is an integer number (7983549).

Almost surely, 2^42444398 is an apocalyptic number.

42444398 is a deficient number, since it is larger than the sum of its proper divisors (21423994).

42444398 is a wasteful number, since it uses less digits than its factorization.

42444398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67266.

The product of its digits is 110592, while the sum is 38.

The square root of 42444398 is about 6514.9365307730. The cubic root of 42444398 is about 348.8243492860.

The spelling of 42444398 in words is "forty-two million, four hundred forty-four thousand, three hundred ninety-eight".