42448344 has 64 divisors (see below), whose sum is σ = 111456000. Its totient is φ = 13453440.

The previous prime is 42448339. The next prime is 42448369. The reversal of 42448344 is 44384424.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48987 + ... + 49845.

It is an arithmetic number, because the mean of its divisors is an integer number (1741500).

Almost surely, 2^42448344 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 42448344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55728000).

42448344 is an abundant number, since it is smaller than the sum of its proper divisors (69007656).

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

42448344 is a wasteful number, since it uses less digits than its factorization.

42448344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968 (or 964 counting only the distinct ones).

The product of its digits is 49152, while the sum is 33.

The square root of 42448344 is about 6515.2393662858. The cubic root of 42448344 is about 348.8351588651.

The spelling of 42448344 in words is "forty-two million, four hundred forty-eight thousand, three hundred forty-four".