242040310 has 16 divisors (see below), whose sum is σ = 447448176. Its totient is φ = 94199328.

The previous prime is 242040301. The next prime is 242040311. The reversal of 242040310 is 13040242.

It is a super-2 number, since 2×242040310² = 117167023329792200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242040311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326712 + ... + 327451.

It is an arithmetic number, because the mean of its divisors is an integer number (27965511).

Almost surely, 2^242040310 is an apocalyptic number.

242040310 is a deficient number, since it is larger than the sum of its proper divisors (205407866).

242040310 is a wasteful number, since it uses less digits than its factorization.

242040310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654207.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 242040310 is about 15557.6447446264. The cubic root of 242040310 is about 623.2025669304.

Adding to 242040310 its reverse (13040242), we get a palindrome (255080552).

The spelling of 242040310 in words is "two hundred forty-two million, forty thousand, three hundred ten".