40244 has 6 divisors (see below), whose sum is σ = 70434. Its totient is φ = 20120.

The previous prime is 40241. The next prime is 40253. The reversal of 40244 is 44204.

40244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 35344 + 4900 = 188^2 + 70^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5027 + ... + 5034.

It is an arithmetic number, because the mean of its divisors is an integer number (11739).

2⁴⁰²⁴⁴ is an apocalyptic number.

It is an amenable number.

40244 is a deficient number, since it is larger than the sum of its proper divisors (30190).

40244 is a wasteful number, since it uses less digits than its factorization.

40244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10065 (or 10063 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 40244 is about 200.6090725765. The cubic root of 40244 is about 34.2689170366.

Adding to 40244 its reverse (44204), we get a palindrome (84448).

The spelling of 40244 in words is "forty thousand, two hundred forty-four", and thus it is an iban number.