449330990 has 16 divisors (see below), whose sum is σ = 843961248. Its totient is φ = 171917856.

The previous prime is 449330989. The next prime is 449331023. The reversal of 449330990 is 99033944.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 976577 + ... + 977036.

It is an arithmetic number, because the mean of its divisors is an integer number (52747578).

Almost surely, 2^449330990 is an apocalyptic number.

449330990 is a deficient number, since it is larger than the sum of its proper divisors (394630258).

449330990 is a wasteful number, since it uses less digits than its factorization.

449330990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953643.

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 449330990 is about 21197.4288535190. The cubic root of 449330990 is about 765.9294894728.

The spelling of 449330990 in words is "four hundred forty-nine million, three hundred thirty thousand, nine hundred ninety".