42448308 has 48 divisors (see below), whose sum is σ = 115516800. Its totient is φ = 12126912.

The previous prime is 42448279. The next prime is 42448309. The reversal of 42448308 is 80384424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42448309) 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, 1041 + ... + 9272.

It is an arithmetic number, because the mean of its divisors is an integer number (2406600).

Almost surely, 2^42448308 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42448308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57758400).

42448308 is an abundant number, since it is smaller than the sum of its proper divisors (73068492).

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

42448308 is a wasteful number, since it uses less digits than its factorization.

42448308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10341 (or 10325 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

The square root of 42448308 is about 6515.2366035318. The cubic root of 42448308 is about 348.8350602505.

The spelling of 42448308 in words is "forty-two million, four hundred forty-eight thousand, three hundred eight".