320249480 has 16 divisors (see below), whose sum is σ = 720561420. Its totient is φ = 128099776.

The previous prime is 320249471. The next prime is 320249507. The reversal of 320249480 is 84942023.

It can be written as a sum of positive squares in 2 ways, for example, as 314069284 + 6180196 = 17722^2 + 2486^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4003079 + ... + 4003158.

Almost surely, 2^320249480 is an apocalyptic number.

It is an amenable number.

320249480 is an abundant number, since it is smaller than the sum of its proper divisors (400311940).

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

320249480 is a wasteful number, since it uses less digits than its factorization.

320249480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8006248 (or 8006244 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 320249480 is about 17895.5156393997. The cubic root of 320249480 is about 684.1680844970.

The spelling of 320249480 in words is "three hundred twenty million, two hundred forty-nine thousand, four hundred eighty".