40474477 has 2 divisors, whose sum is σ = 40474478. Its totient is φ = 40474476.

The previous prime is 40474471. The next prime is 40474513. The reversal of 40474477 is 77447404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31147561 + 9326916 = 5581^2 + 3054^2 .

It is a cyclic number.

It is not a de Polignac number, because 40474477 - 2¹⁹ = 39950189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40474471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20237238 + 20237239.

It is an arithmetic number, because the mean of its divisors is an integer number (20237239).

Almost surely, 2^40474477 is an apocalyptic number.

It is an amenable number.

40474477 is a deficient number, since it is larger than the sum of its proper divisors (1).

40474477 is an equidigital number, since it uses as much as digits as its factorization.

40474477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87808, while the sum is 37.

The square root of 40474477 is about 6361.9554383853. The cubic root of 40474477 is about 343.3421179977.

The spelling of 40474477 in words is "forty million, four hundred seventy-four thousand, four hundred seventy-seven".