36550635521220 has 72 divisors (see below), whose sum is σ = 115690707228096. Its totient is φ = 9323060653632.

The previous prime is 36550635521207. The next prime is 36550635521261. The reversal of 36550635521220 is 2212553605563.

It is a happy number.

36550635521220 is a `hidden beast` number, since 3 + 6 + 5 + 5 + 0 + 63 + 552 + 12 + 20 = 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 23 ways as a sum of consecutive naturals, for example, 4414323822 + ... + 4414332101.

It is an arithmetic number, because the mean of its divisors is an integer number (1606815378168).

Almost surely, 2^{36550635521220} is an apocalyptic number.

36550635521220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

36550635521220 is an abundant number, since it is smaller than the sum of its proper divisors (79140071706876).

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

36550635521220 is a wasteful number, since it uses less digits than its factorization.

36550635521220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8828655961 (or 8828655956 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 45.

The spelling of 36550635521220 in words is "thirty-six trillion, five hundred fifty billion, six hundred thirty-five million, five hundred twenty-one thousand, two hundred twenty".