36646934220 has 96 divisors (see below), whose sum is σ = 122782914240. Its totient is φ = 9020782080.

The previous prime is 36646934201. The next prime is 36646934237. The reversal of 36646934220 is 2243964663.

36646934220 is a `hidden beast` number, since 366 + 4 + 69 + 3 + 4 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2603161 + ... + 2617200.

It is an arithmetic number, because the mean of its divisors is an integer number (1278988690).

Almost surely, 2^36646934220 is an apocalyptic number.

36646934220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

36646934220 is an abundant number, since it is smaller than the sum of its proper divisors (86135980020).

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

36646934220 is a wasteful number, since it uses less digits than its factorization.

36646934220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5220392 (or 5220384 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 45.

It can be divided in two parts, 366469 and 34220, that added together give a square (400689 = 633²).

The spelling of 36646934220 in words is "thirty-six billion, six hundred forty-six million, nine hundred thirty-four thousand, two hundred twenty".