40604477 has 2 divisors, whose sum is σ = 40604478. Its totient is φ = 40604476.

The previous prime is 40604423. The next prime is 40604497. The reversal of 40604477 is 77440604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39866596 + 737881 = 6314^2 + 859^2 .

It is a cyclic number.

It is not a de Polignac number, because 40604477 - 2¹² = 40600381 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40604497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20302238 + 20302239.

It is an arithmetic number, because the mean of its divisors is an integer number (20302239).

Almost surely, 2^40604477 is an apocalyptic number.

It is an amenable number.

40604477 is a deficient number, since it is larger than the sum of its proper divisors (1).

40604477 is an equidigital number, since it uses as much as digits as its factorization.

40604477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 40604477 is about 6372.1642320329. The cubic root of 40604477 is about 343.7093187340.

The spelling of 40604477 in words is "forty million, six hundred four thousand, four hundred seventy-seven".