36155855844 has 48 divisors (see below), whose sum is σ = 95326190400. Its totient is φ = 11847679488.

The previous prime is 36155855809. The next prime is 36155855849. The reversal of 36155855844 is 44855855163.

36155855844 is a `hidden beast` number, since 3 + 6 + 1 + 5 + 58 + 5 + 584 + 4 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (36155855849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2830717 + ... + 2843460.

It is an arithmetic number, because the mean of its divisors is an integer number (1985962300).

Almost surely, 2^36155855844 is an apocalyptic number.

It is an amenable number.

36155855844 is an abundant number, since it is smaller than the sum of its proper divisors (59170334556).

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

36155855844 is a wasteful number, since it uses less digits than its factorization.

36155855844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5674249 (or 5674241 counting only the distinct ones).

The product of its digits is 11520000, while the sum is 54.

The spelling of 36155855844 in words is "thirty-six billion, one hundred fifty-five million, eight hundred fifty-five thousand, eight hundred forty-four".