449120736 has 36 divisors (see below), whose sum is σ = 1277187912. Its totient is φ = 149706816.

The previous prime is 449120723. The next prime is 449120741. The reversal of 449120736 is 637021944.

449120736 is a `hidden beast` number, since 449 + 1 + 207 + 3 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a self number, because there is not a number n which added to its sum of digits gives 449120736.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 779436 + ... + 780011.

It is an arithmetic number, because the mean of its divisors is an integer number (35477442).

Almost surely, 2^449120736 is an apocalyptic number.

It is an amenable number.

449120736 is an abundant number, since it is smaller than the sum of its proper divisors (828067176).

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

449120736 is a wasteful number, since it uses less digits than its factorization.

449120736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559463 (or 1559452 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 449120736 is about 21192.4688509857. The cubic root of 449120736 is about 765.8100045294.

The spelling of 449120736 in words is "four hundred forty-nine million, one hundred twenty thousand, seven hundred thirty-six".