1304040403880 has 64 divisors (see below), whose sum is σ = 3110596922880. Its totient is φ = 491146848000.

The previous prime is 1304040403847. The next prime is 1304040403909. The reversal of 1304040403880 is 883040404031.

It is a self number, because there is not a number n which added to its sum of digits gives 1304040403880.

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, 14165546 + ... + 14257305.

It is an arithmetic number, because the mean of its divisors is an integer number (48603076920).

Almost surely, 2^{1304040403880} is an apocalyptic number.

1304040403880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304040403880 is an abundant number, since it is smaller than the sum of its proper divisors (1806556519000).

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

1304040403880 is a wasteful number, since it uses less digits than its factorization.

1304040403880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28422930 (or 28422926 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The spelling of 1304040403880 in words is "one trillion, three hundred four billion, forty million, four hundred three thousand, eight hundred eighty".