36564440 has 32 divisors (see below), whose sum is σ = 89750160. Its totient is φ = 13296000.

The previous prime is 36564421. The next prime is 36564461. The reversal of 36564440 is 4446563.

It is a junction number, because it is equal to n+sod(n) for n = 36564397 and 36564406.

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, 41111 + ... + 41990.

Almost surely, 2^36564440 is an apocalyptic number.

It is an amenable number.

36564440 is an abundant number, since it is smaller than the sum of its proper divisors (53185720).

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

36564440 is a wasteful number, since it uses less digits than its factorization.

36564440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83123 (or 83119 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 36564440 is about 6046.8537273528. The cubic root of 36564440 is about 331.9094687110.

The spelling of 36564440 in words is "thirty-six million, five hundred sixty-four thousand, four hundred forty".