1449760320 has 84 divisors (see below), whose sum is σ = 4986581340. Its totient is φ = 386601984.

The previous prime is 1449760313. The next prime is 1449760321. The reversal of 1449760320 is 230679441.

1449760320 is a `hidden beast` number, since 1 + 4 + 49 + 7 + 603 + 2 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 257025024 + 1192735296 = 16032^2 + 34536^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1449760321) 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 11 ways as a sum of consecutive naturals, for example, 248815 + ... + 254574.

Almost surely, 2^1449760320 is an apocalyptic number.

1449760320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1449760320 is an abundant number, since it is smaller than the sum of its proper divisors (3536821020).

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

1449760320 is a wasteful number, since it uses less digits than its factorization.

1449760320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503412 (or 503399 counting only the distinct ones).

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

The square root of 1449760320 is about 38075.7182466726. The cubic root of 1449760320 is about 1131.7888288265.

The spelling of 1449760320 in words is "one billion, four hundred forty-nine million, seven hundred sixty thousand, three hundred twenty".