1308770560 has 144 divisors (see below), whose sum is σ = 3230631936. Its totient is φ = 507838464.

The previous prime is 1308770557. The next prime is 1308770581. The reversal of 1308770560 is 650778031.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10305217 + ... + 10305343.

It is an arithmetic number, because the mean of its divisors is an integer number (22434944).

Almost surely, 2^1308770560 is an apocalyptic number.

1308770560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1308770560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1615315968).

1308770560 is an abundant number, since it is smaller than the sum of its proper divisors (1921861376).

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

1308770560 is an equidigital number, since it uses as much as digits as its factorization.

1308770560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 1308770560 is about 36176.9340878964. The cubic root of 1308770560 is about 1093.8417755480.

The spelling of 1308770560 in words is "one billion, three hundred eight million, seven hundred seventy thousand, five hundred sixty".