36565334320 has 80 divisors (see below), whose sum is σ = 89547840000. Its totient is φ = 13847203584.

The previous prime is 36565334293. The next prime is 36565334329. The reversal of 36565334320 is 2343356563.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (36565334329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2575401 + ... + 2589559.

It is an arithmetic number, because the mean of its divisors is an integer number (1119348000).

Almost surely, 2^36565334320 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 36565334320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44773920000).

36565334320 is an abundant number, since it is smaller than the sum of its proper divisors (52982505680).

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

36565334320 is a wasteful number, since it uses less digits than its factorization.

36565334320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15890 (or 15884 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 40.

The spelling of 36565334320 in words is "thirty-six billion, five hundred sixty-five million, three hundred thirty-four thousand, three hundred twenty".