241821240 has 32 divisors (see below), whose sum is σ = 725464080. Its totient is φ = 64485632.

The previous prime is 241821211. The next prime is 241821253. The reversal of 241821240 is 42128142.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 241821240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1007469 + ... + 1007708.

Almost surely, 2^241821240 is an apocalyptic number.

241821240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

241821240 is an abundant number, since it is smaller than the sum of its proper divisors (483642840).

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

241821240 is a wasteful number, since it uses less digits than its factorization.

241821240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015191 (or 2015187 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 241821240 is about 15550.6025606727. The cubic root of 241821240 is about 623.0144905496.

Adding to 241821240 its reverse (42128142), we get a palindrome (283949382).

The spelling of 241821240 in words is "two hundred forty-one million, eight hundred twenty-one thousand, two hundred forty".