3636754775680 has 128 divisors (see below), whose sum is σ = 9368903738880. Its totient is φ = 1341940027392.

The previous prime is 3636754775671. The next prime is 3636754775699. The reversal of 3636754775680 is 865774576363.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (67) coincides with the sum of the digits of its distinct prime factors.

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, 12897967 + ... + 13176913.

It is an arithmetic number, because the mean of its divisors is an integer number (73194560460).

Almost surely, 2^{3636754775680} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3636754775680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4684451869440).

3636754775680 is an abundant number, since it is smaller than the sum of its proper divisors (5732148963200).

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

3636754775680 is a wasteful number, since it uses less digits than its factorization.

3636754775680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280546 (or 280534 counting only the distinct ones).

The product of its (nonzero) digits is 533433600, while the sum is 67.

The spelling of 3636754775680 in words is "three trillion, six hundred thirty-six billion, seven hundred fifty-four million, seven hundred seventy-five thousand, six hundred eighty".