450334990 has 32 divisors (see below), whose sum is σ = 945316800. Its totient is φ = 154399392.

The previous prime is 450334987. The next prime is 450334991. The reversal of 450334990 is 99433054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450334991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62217 + ... + 69076.

It is an arithmetic number, because the mean of its divisors is an integer number (29541150).

Almost surely, 2^450334990 is an apocalyptic number.

450334990 is an abundant number, since it is smaller than the sum of its proper divisors (494981810).

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

450334990 is a wasteful number, since it uses less digits than its factorization.

450334990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131321 (or 131307 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 450334990 is about 21221.0977567137. The cubic root of 450334990 is about 766.4995378186.

It can be divided in two parts, 4503 and 34990, that added together give a palindrome (39493).

The spelling of 450334990 in words is "four hundred fifty million, three hundred thirty-four thousand, nine hundred ninety".