42444336 has 40 divisors (see below), whose sum is σ = 119617344. Its totient is φ = 12861760.

The previous prime is 42444331. The next prime is 42444377. The reversal of 42444336 is 63344424.

It is a nude number because it is divisible by every one of its digits.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39666 + ... + 40721.

Almost surely, 2^42444336 is an apocalyptic number.

It is an amenable number.

42444336 is an abundant number, since it is smaller than the sum of its proper divisors (77173008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42444336 is a wasteful number, since it uses less digits than its factorization.

42444336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80409 (or 80403 counting only the distinct ones).

The product of its digits is 27648, while the sum is 30.

The square root of 42444336 is about 6514.9317724747. The cubic root of 42444336 is about 348.8241794393.

The spelling of 42444336 in words is "forty-two million, four hundred forty-four thousand, three hundred thirty-six".