40374461 has 2 divisors, whose sum is σ = 40374462. Its totient is φ = 40374460.

The previous prime is 40374413. The next prime is 40374469. The reversal of 40374461 is 16447304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32137561 + 8236900 = 5669^2 + 2870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40374461 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40374469) 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, 20187230 + 20187231.

It is an arithmetic number, because the mean of its divisors is an integer number (20187231).

Almost surely, 2^40374461 is an apocalyptic number.

It is an amenable number.

40374461 is a deficient number, since it is larger than the sum of its proper divisors (1).

40374461 is an equidigital number, since it uses as much as digits as its factorization.

40374461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 40374461 is about 6354.0901000851. The cubic root of 40374461 is about 343.0590751833.

The spelling of 40374461 in words is "forty million, three hundred seventy-four thousand, four hundred sixty-one".