242235440 has 40 divisors (see below), whose sum is σ = 573833808. Its totient is φ = 95064320.

The previous prime is 242235419. The next prime is 242235473. The reversal of 242235440 is 44532242.

It is a happy number.

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

It is a zygodrome in base 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24326 + ... + 32805.

Almost surely, 2^242235440 is an apocalyptic number.

242235440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242235440 is an abundant number, since it is smaller than the sum of its proper divisors (331598368).

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

242235440 is a wasteful number, since it uses less digits than its factorization.

242235440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57197 (or 57191 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 242235440 is about 15563.9146746569. The cubic root of 242235440 is about 623.3699947616.

Adding to 242235440 its reverse (44532242), we get a palindrome (286767682).

The spelling of 242235440 in words is "two hundred forty-two million, two hundred thirty-five thousand, four hundred forty".