36805371228 has 36 divisors (see below), whose sum is σ = 96243933240. Its totient is φ = 11845406496.

The previous prime is 36805371227. The next prime is 36805371287. The reversal of 36805371228 is 82217350863.

36805371228 is a `hidden beast` number, since 3 + 6 + 80 + 537 + 12 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36805371227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17626050 + ... + 17628137.

It is an arithmetic number, because the mean of its divisors is an integer number (2673442590).

Almost surely, 2^36805371228 is an apocalyptic number.

It is an amenable number.

36805371228 is an abundant number, since it is smaller than the sum of its proper divisors (59438562012).

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

36805371228 is a wasteful number, since it uses less digits than its factorization.

36805371228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35254226 (or 35254221 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 36805371228 in words is "thirty-six billion, eight hundred five million, three hundred seventy-one thousand, two hundred twenty-eight".