242200240 has 20 divisors (see below), whose sum is σ = 563115744. Its totient is φ = 96880064.

The previous prime is 242200237. The next prime is 242200249. The reversal of 242200240 is 42002242.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (242200249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1513672 + ... + 1513831.

Almost surely, 2^242200240 is an apocalyptic number.

242200240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242200240 is an abundant number, since it is smaller than the sum of its proper divisors (320915504).

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

242200240 is a wasteful number, since it uses less digits than its factorization.

242200240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3027516 (or 3027510 counting only the distinct ones).

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

The square root of 242200240 is about 15562.7838126731. The cubic root of 242200240 is about 623.3397986753.

Adding to 242200240 its reverse (42002242), we get a palindrome (284202482).

The spelling of 242200240 in words is "two hundred forty-two million, two hundred thousand, two hundred forty".