1304334404240 has 80 divisors (see below), whose sum is σ = 3466202613120. Its totient is φ = 447148784640.

The previous prime is 1304334404239. The next prime is 1304334404273. The reversal of 1304334404240 is 424044334031.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 1304334404197 and 1304334404206.

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, 4892795 + ... + 5152485.

It is an arithmetic number, because the mean of its divisors is an integer number (43327532664).

Almost surely, 2^{1304334404240} is an apocalyptic number.

1304334404240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304334404240 is an abundant number, since it is smaller than the sum of its proper divisors (2161868208880).

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

1304334404240 is a wasteful number, since it uses less digits than its factorization.

1304334404240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268680 (or 268674 counting only the distinct ones).

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

Adding to 1304334404240 its reverse (424044334031), we get a palindrome (1728378738271).

The spelling of 1304334404240 in words is "one trillion, three hundred four billion, three hundred thirty-four million, four hundred four thousand, two hundred forty".