40244205 has 8 divisors (see below), whose sum is σ = 64390752. Its totient is φ = 21463568.

The previous prime is 40244189. The next prime is 40244207. The reversal of 40244205 is 50244204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40244205 - 2⁴ = 40244189 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40244207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1341459 + ... + 1341488.

It is an arithmetic number, because the mean of its divisors is an integer number (8048844).

Almost surely, 2^40244205 is an apocalyptic number.

It is an amenable number.

40244205 is a deficient number, since it is larger than the sum of its proper divisors (24146547).

40244205 is a wasteful number, since it uses less digits than its factorization.

40244205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2682955.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 40244205 is about 6343.8320438044. The cubic root of 40244205 is about 342.6897522428.

Adding to 40244205 its reverse (50244204), we get a palindrome (90488409).

Subtracting 40244205 from its reverse (50244204), we obtain a palindrome (9999999).

The spelling of 40244205 in words is "forty million, two hundred forty-four thousand, two hundred five".