1305445200636 has 24 divisors (see below), whose sum is σ = 3070023362560. Its totient is φ = 431722034352.

The previous prime is 1305445200629. The next prime is 1305445200637. The reversal of 1305445200636 is 6360025445031.

It is a junction number, because it is equal to n+sod(n) for n = 1305445200594 and 1305445200603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305445200637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428294146 + ... + 428297193.

Almost surely, 2^{1305445200636} is an apocalyptic number.

It is an amenable number.

1305445200636 is an abundant number, since it is smaller than the sum of its proper divisors (1764578161924).

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

1305445200636 is a wasteful number, since it uses less digits than its factorization.

1305445200636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856591473 (or 856591471 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 1305445200636 in words is "one trillion, three hundred five billion, four hundred forty-five million, two hundred thousand, six hundred thirty-six".