1320488456 has 24 divisors (see below), whose sum is σ = 2880147870. Its totient is φ = 565923456.

The previous prime is 1320488441. The next prime is 1320488483. The reversal of 1320488456 is 6548840231.

It can be written as a sum of positive squares in only one way, i.e., 1305665956 + 14822500 = 36134^2 + 3850^2 .

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 5 ways as a sum of consecutive naturals, for example, 1683905 + ... + 1684688.

Almost surely, 2^1320488456 is an apocalyptic number.

It is an amenable number.

1320488456 is an abundant number, since it is smaller than the sum of its proper divisors (1559659414).

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

1320488456 is a wasteful number, since it uses less digits than its factorization.

1320488456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3368613 (or 3368602 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 1320488456 is about 36338.5257818751. The cubic root of 1320488456 is about 1097.0966012077.

The spelling of 1320488456 in words is "one billion, three hundred twenty million, four hundred eighty-eight thousand, four hundred fifty-six".