40764461 has 2 divisors, whose sum is σ = 40764462. Its totient is φ = 40764460.

The previous prime is 40764439. The next prime is 40764467. The reversal of 40764461 is 16446704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39300361 + 1464100 = 6269^2 + 1210^2 .

It is a cyclic number.

It is not a de Polignac number, because 40764461 - 2⁶ = 40764397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40764467) 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 as a sum of consecutive naturals, namely, 20382230 + 20382231.

It is an arithmetic number, because the mean of its divisors is an integer number (20382231).

Almost surely, 2^40764461 is an apocalyptic number.

It is an amenable number.

40764461 is a deficient number, since it is larger than the sum of its proper divisors (1).

40764461 is an equidigital number, since it uses as much as digits as its factorization.

40764461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 40764461 is about 6384.7052398682. The cubic root of 40764461 is about 344.1601387317.

The spelling of 40764461 in words is "forty million, seven hundred sixty-four thousand, four hundred sixty-one".