36218540 has 24 divisors (see below), whose sum is σ = 78513792. Its totient is φ = 14019840.

The previous prime is 36218521. The next prime is 36218543. The reversal of 36218540 is 4581263.

It is not an unprimeable number, because it can be changed into a prime (36218543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28589 + ... + 29828.

It is an arithmetic number, because the mean of its divisors is an integer number (3271408).

Almost surely, 2^36218540 is an apocalyptic number.

It is an amenable number.

36218540 is an abundant number, since it is smaller than the sum of its proper divisors (42295252).

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

36218540 is a wasteful number, since it uses less digits than its factorization.

36218540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58457 (or 58455 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 36218540 is about 6018.1841115074. The cubic root of 36218540 is about 330.8595285082.

The spelling of 36218540 in words is "thirty-six million, two hundred eighteen thousand, five hundred forty".