1303330544040 has 64 divisors (see below), whose sum is σ = 4468561868160. Its totient is φ = 297904124160.

The previous prime is 1303330544011. The next prime is 1303330544051. The reversal of 1303330544040 is 404450333031.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1303330543989 and 1303330544007.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 775791151 + ... + 775792830.

It is an arithmetic number, because the mean of its divisors is an integer number (69821279190).

Almost surely, 2^{1303330544040} is an apocalyptic number.

1303330544040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303330544040 is an abundant number, since it is smaller than the sum of its proper divisors (3165231324120).

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

1303330544040 is a wasteful number, since it uses less digits than its factorization.

1303330544040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551584002 (or 1551583998 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 1303330544040 its reverse (404450333031), we get a palindrome (1707780877071).

The spelling of 1303330544040 in words is "one trillion, three hundred three billion, three hundred thirty million, five hundred forty-four thousand, forty".