1304435440540 has 24 divisors (see below), whose sum is σ = 2740887912672. Its totient is φ = 521474464320.

The previous prime is 1304435440537. The next prime is 1304435440573. The reversal of 1304435440540 is 450445344031.

It is a self number, because there is not a number n which added to its sum of digits gives 1304435440540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18696304 + ... + 18765943.

It is an arithmetic number, because the mean of its divisors is an integer number (114203663028).

Almost surely, 2^{1304435440540} is an apocalyptic number.

1304435440540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304435440540 is an abundant number, since it is smaller than the sum of its proper divisors (1436452472132).

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

1304435440540 is a wasteful number, since it uses less digits than its factorization.

1304435440540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37463997 (or 37463995 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

The spelling of 1304435440540 in words is "one trillion, three hundred four billion, four hundred thirty-five million, four hundred forty thousand, five hundred forty".