40654441 has 2 divisors, whose sum is σ = 40654442. Its totient is φ = 40654440.

The previous prime is 40654403. The next prime is 40654451. The reversal of 40654441 is 14445604.

40654441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27258841 + 13395600 = 5221^2 + 3660^2 .

It is a cyclic number.

It is not a de Polignac number, because 40654441 - 2⁹ = 40653929 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40654451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20327220 + 20327221.

It is an arithmetic number, because the mean of its divisors is an integer number (20327221).

Almost surely, 2^40654441 is an apocalyptic number.

It is an amenable number.

40654441 is a deficient number, since it is larger than the sum of its proper divisors (1).

40654441 is an equidigital number, since it uses as much as digits as its factorization.

40654441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 40654441 is about 6376.0835157642. The cubic root of 40654441 is about 343.8502395931.

It can be divided in two parts, 40 and 654441, that added together give a square (654481 = 809²).

The spelling of 40654441 in words is "forty million, six hundred fifty-four thousand, four hundred forty-one".