1303340444240 has 40 divisors (see below), whose sum is σ = 3031962593760. Its totient is φ = 521044382336.

The previous prime is 1303340444221. The next prime is 1303340444249. The reversal of 1303340444240 is 424440433031.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1303340444197 and 1303340444206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303340444249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4415450 + ... + 4701369.

It is an arithmetic number, because the mean of its divisors is an integer number (75799064844).

Almost surely, 2^{1303340444240} is an apocalyptic number.

1303340444240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303340444240 is an abundant number, since it is smaller than the sum of its proper divisors (1728622149520).

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

1303340444240 is a wasteful number, since it uses less digits than its factorization.

1303340444240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9118619 (or 9118613 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 1303340444240 its reverse (424440433031), we get a palindrome (1727780877271).

The spelling of 1303340444240 in words is "one trillion, three hundred three billion, three hundred forty million, four hundred forty-four thousand, two hundred forty".