450040242 has 8 divisors (see below), whose sum is σ = 900080496. Its totient is φ = 150013412.

The previous prime is 450040223. The next prime is 450040271. The reversal of 450040242 is 242040054.

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

450040242 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37503348 + ... + 37503359.

It is an arithmetic number, because the mean of its divisors is an integer number (112510062).

Almost surely, 2^450040242 is an apocalyptic number.

450040242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

450040242 is a wasteful number, since it uses less digits than its factorization.

450040242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75006712.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 450040242 is about 21214.1519274281. The cubic root of 450040242 is about 766.3322745454.

Adding to 450040242 its reverse (242040054), we get a palindrome (692080296).

The spelling of 450040242 in words is "four hundred fifty million, forty thousand, two hundred forty-two".