40411449 has 27 divisors (see below), whose sum is σ = 63597807. Its totient is φ = 24716016.

The previous prime is 40411447. The next prime is 40411487. The reversal of 40411449 is 94411404.

The square root of 40411449 is 6357.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 5978025 + 34433424 = 2445^2 + 5868^2 .

It is not a de Polignac number, because 40411449 - 2¹ = 40411447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40411447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 247842 + ... + 248004.

Almost surely, 2^40411449 is an apocalyptic number.

40411449 is the 6357-th square number.

40411449 is the 3179-th centered octagonal number.

It is an amenable number.

40411449 is a deficient number, since it is larger than the sum of its proper divisors (23186358).

40411449 is a wasteful number, since it uses less digits than its factorization.

40411449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The cubic root of 40411449 is about 343.1638047228.

Multiplying 40411449 by its product of nonzero digits (2304), we get a square (93107978496 = 305136²).

The spelling of 40411449 in words is "forty million, four hundred eleven thousand, four hundred forty-nine".