40744265 has 12 divisors (see below), whose sum is σ = 51604164. Its totient is φ = 30878496.

The previous prime is 40744237. The next prime is 40744307. The reversal of 40744265 is 56244704.

It can be written as a sum of positive squares in 2 ways, for example, as 7382089 + 33362176 = 2717^2 + 5776^2 .

It is a de Polignac number, because none of the positive numbers 2^k-40744265 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9482 + ... + 13091.

It is an arithmetic number, because the mean of its divisors is an integer number (4300347).

Almost surely, 2^40744265 is an apocalyptic number.

It is an amenable number.

40744265 is a deficient number, since it is larger than the sum of its proper divisors (10859899).

40744265 is a wasteful number, since it uses less digits than its factorization.

40744265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22616 (or 22597 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 40744265 is about 6383.1234517280. The cubic root of 40744265 is about 344.1032934129.

Adding to 40744265 its reverse (56244704), we get a palindrome (96988969).

The spelling of 40744265 in words is "forty million, seven hundred forty-four thousand, two hundred sixty-five".