241421540 has 12 divisors (see below), whose sum is σ = 506985276. Its totient is φ = 96568608.

The previous prime is 241421533. The next prime is 241421561. The reversal of 241421540 is 45124142.

It can be written as a sum of positive squares in 2 ways, for example, as 190384804 + 51036736 = 13798^2 + 7144^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6035519 + ... + 6035558.

It is an arithmetic number, because the mean of its divisors is an integer number (42248773).

Almost surely, 2^241421540 is an apocalyptic number.

241421540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

241421540 is an abundant number, since it is smaller than the sum of its proper divisors (265563736).

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

241421540 is a wasteful number, since it uses less digits than its factorization.

241421540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12071086 (or 12071084 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 241421540 is about 15537.7456537298. The cubic root of 241421540 is about 622.6710464737.

Adding to 241421540 its reverse (45124142), we get a palindrome (286545682).

The spelling of 241421540 in words is "two hundred forty-one million, four hundred twenty-one thousand, five hundred forty".