242429378 has 8 divisors (see below), whose sum is σ = 364939020. Its totient is φ = 120783040.

The previous prime is 242429377. The next prime is 242429387. The reversal of 242429378 is 873924242.

It can be written as a sum of positive squares in 2 ways, for example, as 229128769 + 13300609 = 15137^2 + 3647^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (242429377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215123 + ... + 216246.

Almost surely, 2^242429378 is an apocalyptic number.

242429378 is a deficient number, since it is larger than the sum of its proper divisors (122509642).

242429378 is a wasteful number, since it uses less digits than its factorization.

242429378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431652.

The product of its digits is 193536, while the sum is 41.

The square root of 242429378 is about 15570.1438015196. The cubic root of 242429378 is about 623.5363107513.

The spelling of 242429378 in words is "two hundred forty-two million, four hundred twenty-nine thousand, three hundred seventy-eight".