42448318 has 32 divisors (see below), whose sum is σ = 73664640. Its totient is φ = 18142560.

The previous prime is 42448313. The next prime is 42448327. The reversal of 42448318 is 81384424.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42448313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72021 + ... + 72607.

It is an arithmetic number, because the mean of its divisors is an integer number (2302020).

Almost surely, 2^42448318 is an apocalyptic number.

42448318 is a deficient number, since it is larger than the sum of its proper divisors (31216322).

42448318 is a wasteful number, since it uses less digits than its factorization.

42448318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792.

The product of its digits is 24576, while the sum is 34.

The square root of 42448318 is about 6515.2373709635. The cubic root of 42448318 is about 348.8350876435.

The spelling of 42448318 in words is "forty-two million, four hundred forty-eight thousand, three hundred eighteen".