449912330 has 32 divisors (see below), whose sum is σ = 926328960. Its totient is φ = 154123200.

The previous prime is 449912329. The next prime is 449912357. The reversal of 449912330 is 33219944.

It is a super-2 number, since 2×449912330² = 404842209372057800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

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, 114905 + ... + 118755.

It is an arithmetic number, because the mean of its divisors is an integer number (28947780).

Almost surely, 2^449912330 is an apocalyptic number.

449912330 is an abundant number, since it is smaller than the sum of its proper divisors (476416630).

449912330 is a wasteful number, since it uses less digits than its factorization.

449912330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5534.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 449912330 is about 21211.1369332245. The cubic root of 449912330 is about 766.2596644593.

The spelling of 449912330 in words is "four hundred forty-nine million, nine hundred twelve thousand, three hundred thirty".