1304755077872 has 20 divisors (see below), whose sum is σ = 2661013646280. Its totient is φ = 618041878848.

The previous prime is 1304755077817. The next prime is 1304755077907. The reversal of 1304755077872 is 2787705574031.

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, 2145978443 + ... + 2145979050.

It is an arithmetic number, because the mean of its divisors is an integer number (133050682314).

Almost surely, 2^{1304755077872} is an apocalyptic number.

It is an amenable number.

1304755077872 is an abundant number, since it is smaller than the sum of its proper divisors (1356258568408).

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

1304755077872 is a wasteful number, since it uses less digits than its factorization.

1304755077872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4291957520 (or 4291957514 counting only the distinct ones).

The product of its (nonzero) digits is 11524800, while the sum is 56.

The spelling of 1304755077872 in words is "one trillion, three hundred four billion, seven hundred fifty-five million, seventy-seven thousand, eight hundred seventy-two".