1305030910240 has 24 divisors (see below), whose sum is σ = 3083135525820. Its totient is φ = 522012364032.

The previous prime is 1305030910147. The next prime is 1305030910247. The reversal of 1305030910240 is 420190305031.

It can be written as a sum of positive squares in 2 ways, for example, as 1304538602896 + 492307344 = 1142164^2 + 22188^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1305030910199 and 1305030910208.

It is not an unprimeable number, because it can be changed into a prime (1305030910247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4078221435 + ... + 4078221754.

Almost surely, 2^{1305030910240} is an apocalyptic number.

1305030910240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1305030910240 is an abundant number, since it is smaller than the sum of its proper divisors (1778104615580).

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

1305030910240 is an equidigital number, since it uses as much as digits as its factorization.

1305030910240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8156443204 (or 8156443196 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The spelling of 1305030910240 in words is "one trillion, three hundred five billion, thirty million, nine hundred ten thousand, two hundred forty".