40633441 has 2 divisors, whose sum is σ = 40633442. Its totient is φ = 40633440.

The previous prime is 40633429. The next prime is 40633447. The reversal of 40633441 is 14433604.

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., 39740416 + 893025 = 6304^2 + 945^2 .

It is a cyclic number.

It is not a de Polignac number, because 40633441 - 2¹⁷ = 40502369 is a prime.

It is not a weakly prime, because it can be changed into another prime (40633447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20316720 + 20316721.

It is an arithmetic number, because the mean of its divisors is an integer number (20316721).

Almost surely, 2^40633441 is an apocalyptic number.

It is an amenable number.

40633441 is a deficient number, since it is larger than the sum of its proper divisors (1).

40633441 is an equidigital number, since it uses as much as digits as its factorization.

40633441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 40633441 is about 6374.4365241172. The cubic root of 40633441 is about 343.7910242609.

The spelling of 40633441 in words is "forty million, six hundred thirty-three thousand, four hundred forty-one".