1303044004240 has 160 divisors (see below), whose sum is σ = 3397002935040. Its totient is φ = 460663142400.

The previous prime is 1303044004231. The next prime is 1303044004247. The reversal of 1303044004240 is 424004403031.

It is not an unprimeable number, because it can be changed into a prime (1303044004247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42931470 + ... + 42961810.

It is an arithmetic number, because the mean of its divisors is an integer number (21231268344).

Almost surely, 2^{1303044004240} is an apocalyptic number.

1303044004240 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 1303044004240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1698501467520).

1303044004240 is an abundant number, since it is smaller than the sum of its proper divisors (2093958930800).

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

1303044004240 is a wasteful number, since it uses less digits than its factorization.

1303044004240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31721 (or 31715 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 1303044004240 its reverse (424004403031), we get a palindrome (1727048407271).

The spelling of 1303044004240 in words is "one trillion, three hundred three billion, forty-four million, four thousand, two hundred forty".