1449563904 has 72 divisors (see below), whose sum is σ = 4286635920. Its totient is φ = 483185664.

The previous prime is 1449563893. The next prime is 1449563909. The reversal of 1449563904 is 4093659441.

1449563904 is a `hidden beast` number, since 1 + 4 + 4 + 9 + 5 + 639 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a self number, because there is not a number n which added to its sum of digits gives 1449563904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1449563909) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 97947 + ... + 111770.

It is an arithmetic number, because the mean of its divisors is an integer number (59536610).

Almost surely, 2^1449563904 is an apocalyptic number.

It is an amenable number.

1449563904 is an abundant number, since it is smaller than the sum of its proper divisors (2837072016).

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

1449563904 is an equidigital number, since it uses as much as digits as its factorization.

1449563904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209742 (or 209722 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 1449563904 is about 38073.1388776917. The cubic root of 1449563904 is about 1131.7377142914.

The spelling of 1449563904 in words is "one billion, four hundred forty-nine million, five hundred sixty-three thousand, nine hundred four".