242304240 has 40 divisors (see below), whose sum is σ = 751143888. Its totient is φ = 64614400.

The previous prime is 242304239. The next prime is 242304253. The reversal of 242304240 is 42403242.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×242304240² = 117422689443955200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504561 + ... + 505040.

Almost surely, 2^242304240 is an apocalyptic number.

242304240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242304240 is an abundant number, since it is smaller than the sum of its proper divisors (508839648).

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

242304240 is a wasteful number, since it uses less digits than its factorization.

242304240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009617 (or 1009611 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 242304240 is about 15566.1247585904. The cubic root of 242304240 is about 623.4290059395.

Adding to 242304240 its reverse (42403242), we get a palindrome (284707482).

The spelling of 242304240 in words is "two hundred forty-two million, three hundred four thousand, two hundred forty".