40566316 has 36 divisors (see below), whose sum is σ = 83231400. Its totient is φ = 17248896.

The previous prime is 40566287. The next prime is 40566341. The reversal of 40566316 is 61366504.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26500 + ... + 27988.

Almost surely, 2^40566316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40566316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41615700).

40566316 is an abundant number, since it is smaller than the sum of its proper divisors (42665084).

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

40566316 is a wasteful number, since it uses less digits than its factorization.

40566316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646 (or 1637 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 40566316 is about 6369.1691765881. The cubic root of 40566316 is about 343.6016097371.

The spelling of 40566316 in words is "forty million, five hundred sixty-six thousand, three hundred sixteen".