42444235 has 8 divisors (see below), whose sum is σ = 51001776. Its totient is φ = 33909600.

The previous prime is 42444221. The next prime is 42444247. The reversal of 42444235 is 53244424.

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

It is not a de Polignac number, because 42444235 - 2⁵ = 42444203 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1341 + ... + 9310.

It is an arithmetic number, because the mean of its divisors is an integer number (6375222).

Almost surely, 2^42444235 is an apocalyptic number.

42444235 is a deficient number, since it is larger than the sum of its proper divisors (8557541).

42444235 is a wasteful number, since it uses less digits than its factorization.

42444235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11453.

The product of its digits is 15360, while the sum is 28.

The square root of 42444235 is about 6514.9240210458. The cubic root of 42444235 is about 348.8239027532.

Adding to 42444235 its reverse (53244424), we get a palindrome (95688659).

The spelling of 42444235 in words is "forty-two million, four hundred forty-four thousand, two hundred thirty-five".