1304117655640 has 16 divisors (see below), whose sum is σ = 2934264725280. Its totient is φ = 521647062240.

The previous prime is 1304117655583. The next prime is 1304117655653. The reversal of 1304117655640 is 465567114031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16301470656 + ... + 16301470735.

It is an arithmetic number, because the mean of its divisors is an integer number (183391545330).

Almost surely, 2^{1304117655640} is an apocalyptic number.

1304117655640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304117655640 is an abundant number, since it is smaller than the sum of its proper divisors (1630147069640).

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

1304117655640 is a wasteful number, since it uses less digits than its factorization.

1304117655640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32602941402 (or 32602941398 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 1304117655640 in words is "one trillion, three hundred four billion, one hundred seventeen million, six hundred fifty-five thousand, six hundred forty".