449613612 has 72 divisors (see below), whose sum is σ = 1355993520. Its totient is φ = 128459520.

The previous prime is 449613607. The next prime is 449613613. The reversal of 449613612 is 216316944.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (449613613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37189 + ... + 47772.

Almost surely, 2^449613612 is an apocalyptic number.

449613612 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

449613612 is an abundant number, since it is smaller than the sum of its proper divisors (906379908).

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

449613612 is a wasteful number, since it uses less digits than its factorization.

449613612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84988 (or 84973 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 449613612 is about 21204.0942272949. The cubic root of 449613612 is about 766.0900416120.

The spelling of 449613612 in words is "four hundred forty-nine million, six hundred thirteen thousand, six hundred twelve".