36218073844 has 24 divisors (see below), whose sum is σ = 67497901128. Its totient is φ = 16945274880.

The previous prime is 36218073821. The next prime is 36218073877. The reversal of 36218073844 is 44837081263.

It can be written as a sum of positive squares in 4 ways, for example, as 26533152100 + 9684921744 = 162890^2 + 98412^2 .

It is a junction number, because it is equal to n+sod(n) for n = 36218073794 and 36218073803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1527597 + ... + 1551124.

It is an arithmetic number, because the mean of its divisors is an integer number (2812412547).

Almost surely, 2^36218073844 is an apocalyptic number.

36218073844 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

36218073844 is a deficient number, since it is larger than the sum of its proper divisors (31279827284).

36218073844 is a wasteful number, since it uses less digits than its factorization.

36218073844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3078915 (or 3078913 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 46.

The spelling of 36218073844 in words is "thirty-six billion, two hundred eighteen million, seventy-three thousand, eight hundred forty-four".