1449581316 has 24 divisors (see below), whose sum is σ = 3390802464. Its totient is φ = 481987200.

The previous prime is 1449581293. The next prime is 1449581317. The reversal of 1449581316 is 6131859441.

It is not an unprimeable number, because it can be changed into a prime (1449581317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145810 + ... + 155433.

It is an arithmetic number, because the mean of its divisors is an integer number (141283436).

Almost surely, 2^1449581316 is an apocalyptic number.

It is an amenable number.

1449581316 is an abundant number, since it is smaller than the sum of its proper divisors (1941221148).

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

1449581316 is a wasteful number, since it uses less digits than its factorization.

1449581316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301651 (or 301649 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 1449581316 is about 38073.3675421547. The cubic root of 1449581316 is about 1131.7422457090.

The spelling of 1449581316 in words is "one billion, four hundred forty-nine million, five hundred eighty-one thousand, three hundred sixteen".