242000440 has 64 divisors (see below), whose sum is σ = 628961760. Its totient is φ = 82821120.

The previous prime is 242000417. The next prime is 242000441. The reversal of 242000440 is 44000242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242000441) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8697 + ... + 23656.

Almost surely, 2^242000440 is an apocalyptic number.

242000440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242000440 is an abundant number, since it is smaller than the sum of its proper divisors (386961320).

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

242000440 is a wasteful number, since it uses less digits than its factorization.

242000440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32392 (or 32388 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 242000440 is about 15556.3633282332. The cubic root of 242000440 is about 623.1683461143.

Adding to 242000440 its reverse (44000242), we get a palindrome (286000682).

The spelling of 242000440 in words is "two hundred forty-two million, four hundred forty", and thus it is an aban number.