40611449 has 2 divisors, whose sum is σ = 40611450. Its totient is φ = 40611448.

The previous prime is 40611401. The next prime is 40611463. The reversal of 40611449 is 94411604.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40551424 + 60025 = 6368^2 + 245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40611449 is a prime.

It is not a weakly prime, because it can be changed into another prime (40611499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20305724 + 20305725.

It is an arithmetic number, because the mean of its divisors is an integer number (20305725).

Almost surely, 2^40611449 is an apocalyptic number.

It is an amenable number.

40611449 is a deficient number, since it is larger than the sum of its proper divisors (1).

40611449 is an equidigital number, since it uses as much as digits as its factorization.

40611449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 40611449 is about 6372.7112754306. The cubic root of 40611449 is about 343.7289898343.

The spelling of 40611449 in words is "forty million, six hundred eleven thousand, four hundred forty-nine".