40344244 has 6 divisors (see below), whose sum is σ = 70602434. Its totient is φ = 20172120.

The previous prime is 40344229. The next prime is 40344257. The reversal of 40344244 is 44244304.

It can be written as a sum of positive squares in only one way, i.e., 37822500 + 2521744 = 6150^2 + 1588^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5043027 + ... + 5043034.

Almost surely, 2^40344244 is an apocalyptic number.

It is an amenable number.

40344244 is a deficient number, since it is larger than the sum of its proper divisors (30258190).

40344244 is a wasteful number, since it uses less digits than its factorization.

40344244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10086065 (or 10086063 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 40344244 is about 6351.7118952295. The cubic root of 40344244 is about 342.9734698857.

Adding to 40344244 its reverse (44244304), we get a palindrome (84588548).

The spelling of 40344244 in words is "forty million, three hundred forty-four thousand, two hundred forty-four".