36539495856 has 120 divisors (see below), whose sum is σ = 106081335360. Its totient is φ = 11732198400.

The previous prime is 36539495849. The next prime is 36539495857. The reversal of 36539495856 is 65859493563.

36539495856 is a `hidden beast` number, since 3 + 6 + 5 + 3 + 9 + 49 + 585 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 36539495793 and 36539495802.

It is not an unprimeable number, because it can be changed into a prime (36539495857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 427246 + ... + 505586.

It is an arithmetic number, because the mean of its divisors is an integer number (884011128).

Almost surely, 2^36539495856 is an apocalyptic number.

36539495856 is a gapful number since it is divisible by the number (36) 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 36539495856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53040667680).

36539495856 is an abundant number, since it is smaller than the sum of its proper divisors (69541839504).

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

36539495856 is a wasteful number, since it uses less digits than its factorization.

36539495856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78475 (or 78466 counting only the distinct ones).

The product of its digits is 104976000, while the sum is 63.

The spelling of 36539495856 in words is "thirty-six billion, five hundred thirty-nine million, four hundred ninety-five thousand, eight hundred fifty-six".