36565987032 has 128 divisors (see below), whose sum is σ = 103011955200. Its totient is φ = 12017116800.

The previous prime is 36565987009. The next prime is 36565987037. The reversal of 36565987032 is 23078956563.

It is a happy number.

36565987032 is a `hidden beast` number, since 3 + 6 + 565 + 9 + 8 + 70 + 3 + 2 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 36565987032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36565987037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4438357 + ... + 4446587.

It is an arithmetic number, because the mean of its divisors is an integer number (804780900).

Almost surely, 2^36565987032 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 36565987032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51505977600).

36565987032 is an abundant number, since it is smaller than the sum of its proper divisors (66445968168).

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

36565987032 is a wasteful number, since it uses less digits than its factorization.

36565987032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8534 (or 8524 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 54.

The spelling of 36565987032 in words is "thirty-six billion, five hundred sixty-five million, nine hundred eighty-seven thousand, thirty-two".