36728508580 has 12 divisors (see below), whose sum is σ = 77129868060. Its totient is φ = 14691403424.

The previous prime is 36728508473. The next prime is 36728508587. The reversal of 36728508580 is 8580582763.

It can be written as a sum of positive squares in 2 ways, for example, as 12285062244 + 24443446336 = 110838^2 + 156344^2 .

It is a super-2 number, since 2×36728508580² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36728508587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 918212695 + ... + 918212734.

It is an arithmetic number, because the mean of its divisors is an integer number (6427489005).

Almost surely, 2^36728508580 is an apocalyptic number.

It is an amenable number.

36728508580 is an abundant number, since it is smaller than the sum of its proper divisors (40401359480).

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

36728508580 is a wasteful number, since it uses less digits than its factorization.

36728508580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836425438 (or 1836425436 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 36728508580 in words is "thirty-six billion, seven hundred twenty-eight million, five hundred eight thousand, five hundred eighty".