40041771 has 24 divisors (see below), whose sum is σ = 67754304. Its totient is φ = 20800080.

The previous prime is 40041769. The next prime is 40041809. The reversal of 40041771 is 17714004.

It is not a de Polignac number, because 40041771 - 2¹ = 40041769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40041761) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10765 + ... + 13998.

It is an arithmetic number, because the mean of its divisors is an integer number (2823096).

Almost surely, 2^40041771 is an apocalyptic number.

40041771 is a deficient number, since it is larger than the sum of its proper divisors (27712533).

40041771 is a wasteful number, since it uses less digits than its factorization.

40041771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24791 (or 24784 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 40041771 is about 6327.8567461661. The cubic root of 40041771 is about 342.1141935960.

Adding to 40041771 its reverse (17714004), we get a palindrome (57755775).

It can be divided in two parts, 4004 and 1771, that added together give a palindrome (5775).

The spelling of 40041771 in words is "forty million, forty-one thousand, seven hundred seventy-one".