36685824540 has 96 divisors (see below), whose sum is σ = 104458771200. Its totient is φ = 9617895936.

The previous prime is 36685824521. The next prime is 36685824547. The reversal of 36685824540 is 4542858663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36685824547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2093736 + ... + 2111184.

It is an arithmetic number, because the mean of its divisors is an integer number (1088112200).

Almost surely, 2^36685824540 is an apocalyptic number.

36685824540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36685824540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52229385600).

36685824540 is an abundant number, since it is smaller than the sum of its proper divisors (67772946660).

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

36685824540 is a wasteful number, since it uses less digits than its factorization.

36685824540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18051 (or 18049 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 51.

The spelling of 36685824540 in words is "thirty-six billion, six hundred eighty-five million, eight hundred twenty-four thousand, five hundred forty".