42248448 has 108 divisors (see below), whose sum is σ = 132966288. Its totient is φ = 12794880.

The previous prime is 42248399. The next prime is 42248449. The reversal of 42248448 is 84484224.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is not an unprimeable number, because it can be changed into a prime (42248449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24511 + ... + 26177.

Almost surely, 2^42248448 is an apocalyptic number.

42248448 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42248448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66483144).

42248448 is an abundant number, since it is smaller than the sum of its proper divisors (90717840).

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

42248448 is a wasteful number, since it uses less digits than its factorization.

42248448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700 (or 1683 counting only the distinct ones).

The product of its digits is 65536, while the sum is 36.

The square root of 42248448 is about 6499.8806142882. The cubic root of 42248448 is about 348.2867236665.

The spelling of 42248448 in words is "forty-two million, two hundred forty-eight thousand, four hundred forty-eight".