42387344 has 20 divisors (see below), whose sum is σ = 85696896. Its totient is φ = 20272032.

The previous prime is 42387337. The next prime is 42387383. The reversal of 42387344 is 44378324.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 57224 + ... + 57959.

Almost surely, 2^42387344 is an apocalyptic number.

It is an amenable number.

42387344 is an abundant number, since it is smaller than the sum of its proper divisors (43309552).

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

42387344 is a wasteful number, since it uses less digits than its factorization.

42387344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115214 (or 115208 counting only the distinct ones).

The product of its digits is 64512, while the sum is 35.

The square root of 42387344 is about 6510.5563510348. The cubic root of 42387344 is about 348.6679819803.

The spelling of 42387344 in words is "forty-two million, three hundred eighty-seven thousand, three hundred forty-four".