242448648 has 64 divisors (see below), whose sum is σ = 663499200. Its totient is φ = 73370880.

The previous prime is 242448637. The next prime is 242448649. The reversal of 242448648 is 846844242.

It is a happy number.

242448648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

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 (242448649) 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, 12663 + ... + 25401.

It is an arithmetic number, because the mean of its divisors is an integer number (10367175).

Almost surely, 2^242448648 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 242448648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331749600).

242448648 is an abundant number, since it is smaller than the sum of its proper divisors (421050552).

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

242448648 is a wasteful number, since it uses less digits than its factorization.

242448648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12822 (or 12818 counting only the distinct ones).

The product of its digits is 393216, while the sum is 42.

The square root of 242448648 is about 15570.7626017482. The cubic root of 242448648 is about 623.5528313375.

The spelling of 242448648 in words is "two hundred forty-two million, four hundred forty-eight thousand, six hundred forty-eight".