40170244 has 9 divisors (see below), whose sum is σ = 70320117. Its totient is φ = 20078784.

The previous prime is 40170241. The next prime is 40170287. The reversal of 40170244 is 44207104.

The square root of 40170244 is 6338.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 33200644 + 6969600 = 5762^2 + 2640^2 .

It is a super-2 number, since 2×40170244² = 3227297006039072, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40170241) 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 2 ways as a sum of consecutive naturals, for example, 11092 + ... + 14260.

Almost surely, 2^40170244 is an apocalyptic number.

40170244 is the 6338-th square number.

It is an amenable number.

40170244 is a deficient number, since it is larger than the sum of its proper divisors (30149873).

40170244 is an frugal number, since it uses more digits than its factorization.

40170244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6342 (or 3171 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The cubic root of 40170244 is about 342.4796911964.

Adding to 40170244 its reverse (44207104), we get a palindrome (84377348).

The spelling of 40170244 in words is "forty million, one hundred seventy thousand, two hundred forty-four".