241342640 has 240 divisors, whose sum is σ = 740443680. Its totient is φ = 72253440.

The previous prime is 241342639. The next prime is 241342649. The reversal of 241342640 is 46243142.

It is not an unprimeable number, because it can be changed into a prime (241342649) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1250384 + ... + 1250576.

It is an arithmetic number, because the mean of its divisors is an integer number (3085182).

Almost surely, 2^241342640 is an apocalyptic number.

241342640 is a gapful number since it is divisible by the number (20) 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 241342640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370221840).

241342640 is an abundant number, since it is smaller than the sum of its proper divisors (499101040).

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

241342640 is a wasteful number, since it uses less digits than its factorization.

241342640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 241342640 is about 15535.2064678909. The cubic root of 241342640 is about 622.6032064920.

Adding to 241342640 its reverse (46243142), we get a palindrome (287585782).

The spelling of 241342640 in words is "two hundred forty-one million, three hundred forty-two thousand, six hundred forty".