40170564 has 36 divisors (see below), whose sum is σ = 116049024. Its totient is φ = 11477232.

The previous prime is 40170553. The next prime is 40170569. The reversal of 40170564 is 46507104.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×40170564² = 3227348424156192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40170569) 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 11 ways as a sum of consecutive naturals, for example, 79452 + ... + 79955.

It is an arithmetic number, because the mean of its divisors is an integer number (3223584).

Almost surely, 2^40170564 is an apocalyptic number.

It is an amenable number.

40170564 is an abundant number, since it is smaller than the sum of its proper divisors (75878460).

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

40170564 is a wasteful number, since it uses less digits than its factorization.

40170564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159424 (or 159419 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 40170564 is about 6338.0252445064. The cubic root of 40170564 is about 342.4806006026.

Adding to 40170564 its reverse (46507104), we get a palindrome (86677668).

The spelling of 40170564 in words is "forty million, one hundred seventy thousand, five hundred sixty-four".