40726244 has 12 divisors (see below), whose sum is σ = 76753404. Its totient is φ = 18796704.

The previous prime is 40726241. The next prime is 40726249. The reversal of 40726244 is 44262704.

It can be written as a sum of positive squares in 2 ways, for example, as 21977344 + 18748900 = 4688^2 + 4330^2 .

It is not an unprimeable number, because it can be changed into a prime (40726241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391547 + ... + 391650.

It is an arithmetic number, because the mean of its divisors is an integer number (6396117).

Almost surely, 2^40726244 is an apocalyptic number.

It is an amenable number.

40726244 is a deficient number, since it is larger than the sum of its proper divisors (36027160).

40726244 is a wasteful number, since it uses less digits than its factorization.

40726244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783214 (or 783212 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 40726244 is about 6381.7116826131. The cubic root of 40726244 is about 344.0525541665.

Adding to 40726244 its reverse (44262704), we get a palindrome (84988948).

The spelling of 40726244 in words is "forty million, seven hundred twenty-six thousand, two hundred forty-four".