1304444032340 has 12 divisors (see below), whose sum is σ = 2739332467956. Its totient is φ = 521777612928.

The previous prime is 1304444032303. The next prime is 1304444032357. The reversal of 1304444032340 is 432304444031.

It can be written as a sum of positive squares in 2 ways, for example, as 175180754116 + 1129263278224 = 418546^2 + 1062668^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1304444032297 and 1304444032306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32611100789 + ... + 32611100828.

It is an arithmetic number, because the mean of its divisors is an integer number (228277705663).

Almost surely, 2^{1304444032340} is an apocalyptic number.

1304444032340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304444032340 is an abundant number, since it is smaller than the sum of its proper divisors (1434888435616).

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

1304444032340 is a wasteful number, since it uses less digits than its factorization.

1304444032340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65222201626 (or 65222201624 counting only the distinct ones).

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

Adding to 1304444032340 its reverse (432304444031), we get a palindrome (1736748476371).

The spelling of 1304444032340 in words is "one trillion, three hundred four billion, four hundred forty-four million, thirty-two thousand, three hundred forty".