242036990 has 32 divisors (see below), whose sum is σ = 496782720. Its totient is φ = 84109824.

The previous prime is 242036989. The next prime is 242037049. The reversal of 242036990 is 99630242.

It is a super-3 number, since 3×242036990³ (a number of 26 digits) contains 333 as substring.

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 242036990.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 52550 + ... + 56969.

It is an arithmetic number, because the mean of its divisors is an integer number (15524460).

Almost surely, 2^242036990 is an apocalyptic number.

242036990 is an abundant number, since it is smaller than the sum of its proper divisors (254745730).

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

242036990 is a wasteful number, since it uses less digits than its factorization.

242036990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109556.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 242036990 is about 15557.5380443051. The cubic root of 242036990 is about 623.1997174849.

The spelling of 242036990 in words is "two hundred forty-two million, thirty-six thousand, nine hundred ninety".