450630290 has 32 divisors (see below), whose sum is σ = 891869184. Its totient is φ = 162570240.

The previous prime is 450630287. The next prime is 450630293. The reversal of 450630290 is 92036054.

It is an interprime number because it is at equal distance from previous prime (450630287) and next prime (450630293).

It is not an unprimeable number, because it can be changed into a prime (450630293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2159 + ... + 30098.

It is an arithmetic number, because the mean of its divisors is an integer number (27870912).

Almost surely, 2^450630290 is an apocalyptic number.

450630290 is a deficient number, since it is larger than the sum of its proper divisors (441238894).

450630290 is a wasteful number, since it uses less digits than its factorization.

450630290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32402.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 450630290 is about 21228.0543149861. The cubic root of 450630290 is about 766.6670411676.

The spelling of 450630290 in words is "four hundred fifty million, six hundred thirty thousand, two hundred ninety".