3636440580960 has 960 divisors, whose sum is σ = 14240573867520. Its totient is φ = 866544721920.

The previous prime is 3636440580889. The next prime is 3636440580989. The reversal of 3636440580960 is 690850446363.

3636440580960 is a `hidden beast` number, since 3 + 6 + 36 + 440 + 5 + 80 + 96 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 3636440580897 and 3636440580906.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 2756967181 + ... + 2756968499.

It is an arithmetic number, because the mean of its divisors is an integer number (14833931112).

Almost surely, 2^{3636440580960} is an apocalyptic number.

3636440580960 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3636440580960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7120286933760).

3636440580960 is an abundant number, since it is smaller than the sum of its proper divisors (10604133286560).

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

3636440580960 is a wasteful number, since it uses less digits than its factorization.

3636440580960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673 (or 1656 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 54.

The spelling of 3636440580960 in words is "three trillion, six hundred thirty-six billion, four hundred forty million, five hundred eighty thousand, nine hundred sixty".