242432990 has 8 divisors (see below), whose sum is σ = 436379400. Its totient is φ = 96973192.

The previous prime is 242432977. The next prime is 242432999. The reversal of 242432990 is 99234242.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 242432990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242432999) 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 3 ways as a sum of consecutive naturals, for example, 12121640 + ... + 12121659.

It is an arithmetic number, because the mean of its divisors is an integer number (54547425).

Almost surely, 2^242432990 is an apocalyptic number.

242432990 is a deficient number, since it is larger than the sum of its proper divisors (193946410).

242432990 is a wasteful number, since it uses less digits than its factorization.

242432990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24243306.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 242432990 is about 15570.2597923092. The cubic root of 242432990 is about 623.5394074634.

The spelling of 242432990 in words is "two hundred forty-two million, four hundred thirty-two thousand, nine hundred ninety".