36531223776 has 48 divisors (see below), whose sum is σ = 106549405200. Its totient is φ = 12177074304.

The previous prime is 36531223747. The next prime is 36531223843. The reversal of 36531223776 is 67732213563.

36531223776 is a `hidden beast` number, since 36 + 5 + 312 + 237 + 76 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

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, 21139891 + ... + 21141618.

It is an arithmetic number, because the mean of its divisors is an integer number (2219779275).

Almost surely, 2^36531223776 is an apocalyptic number.

36531223776 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

36531223776 is an abundant number, since it is smaller than the sum of its proper divisors (70018181424).

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

36531223776 is a wasteful number, since it uses less digits than its factorization.

36531223776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42281528 (or 42281514 counting only the distinct ones).

The product of its digits is 952560, while the sum is 45.

The spelling of 36531223776 in words is "thirty-six billion, five hundred thirty-one million, two hundred twenty-three thousand, seven hundred seventy-six".