449403628 has 12 divisors (see below), whose sum is σ = 807712192. Its totient is φ = 218628720.

The previous prime is 449403571. The next prime is 449403667. The reversal of 449403628 is 826304944.

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, 1518108 + ... + 1518403.

Almost surely, 2^449403628 is an apocalyptic number.

It is an amenable number.

449403628 is a deficient number, since it is larger than the sum of its proper divisors (358308564).

449403628 is a wasteful number, since it uses less digits than its factorization.

449403628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036552 (or 3036550 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 449403628 is about 21199.1421524551. The cubic root of 449403628 is about 765.9707601543.

The spelling of 449403628 in words is "four hundred forty-nine million, four hundred three thousand, six hundred twenty-eight".