42644316 has 48 divisors (see below), whose sum is σ = 116903808. Its totient is φ = 11928000.

The previous prime is 42644293. The next prime is 42644333. The reversal of 42644316 is 61344624.

42644316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10710 + ... + 14141.

It is an arithmetic number, because the mean of its divisors is an integer number (2435496).

Almost surely, 2^42644316 is an apocalyptic number.

It is an amenable number.

42644316 is an abundant number, since it is smaller than the sum of its proper divisors (74259492).

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

42644316 is a wasteful number, since it uses less digits than its factorization.

42644316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24882 (or 24880 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

The square root of 42644316 is about 6530.2615567832. The cubic root of 42644316 is about 349.3711592816.

The spelling of 42644316 in words is "forty-two million, six hundred forty-four thousand, three hundred sixteen".