36036540 has 144 divisors (see below), whose sum is σ = 118329120. Its totient is φ = 8847360.

The previous prime is 36036527. The next prime is 36036569. The reversal of 36036540 is 4563063.

36036540 is a `hidden beast` number, since 3 + 6 + 0 + 3 + 654 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 140092 + ... + 140348.

It is an arithmetic number, because the mean of its divisors is an integer number (821730).

Almost surely, 2^36036540 is an apocalyptic number.

36036540 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 36036540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59164560).

36036540 is an abundant number, since it is smaller than the sum of its proper divisors (82292580).

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

36036540 is a wasteful number, since it uses less digits than its factorization.

36036540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 36036540 is about 6003.0442277231. The cubic root of 36036540 is about 330.3044023190.

The spelling of 36036540 in words is "thirty-six million, thirty-six thousand, five hundred forty".