42444337 has 8 divisors (see below), whose sum is σ = 46682496. Its totient is φ = 38345232.

The previous prime is 42444331. The next prime is 42444377. The reversal of 42444337 is 73344424.

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

It is not a de Polignac number, because 42444337 - 2³ = 42444329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42444299 and 42444308.

It is not an unprimeable number, because it can be changed into a prime (42444331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34123 + ... + 35344.

It is an arithmetic number, because the mean of its divisors is an integer number (5835312).

Almost surely, 2^42444337 is an apocalyptic number.

42444337 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

42444337 is a deficient number, since it is larger than the sum of its proper divisors (4238159).

42444337 is a wasteful number, since it uses less digits than its factorization.

42444337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69527.

The product of its digits is 32256, while the sum is 31.

The square root of 42444337 is about 6514.9318492214. The cubic root of 42444337 is about 348.8241821788.

The spelling of 42444337 in words is "forty-two million, four hundred forty-four thousand, three hundred thirty-seven".