40485673 has 2 divisors, whose sum is σ = 40485674. Its totient is φ = 40485672.

The previous prime is 40485649. The next prime is 40485701. The reversal of 40485673 is 37658404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39538944 + 946729 = 6288^2 + 973^2 .

It is a cyclic number.

It is not a de Polignac number, because 40485673 - 2⁹ = 40485161 is a prime.

It is not a weakly prime, because it can be changed into another prime (40465673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20242836 + 20242837.

It is an arithmetic number, because the mean of its divisors is an integer number (20242837).

Almost surely, 2^40485673 is an apocalyptic number.

It is an amenable number.

40485673 is a deficient number, since it is larger than the sum of its proper divisors (1).

40485673 is an equidigital number, since it uses as much as digits as its factorization.

40485673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 40485673 is about 6362.8352956838. The cubic root of 40485673 is about 343.3737733704.

The spelling of 40485673 in words is "forty million, four hundred eighty-five thousand, six hundred seventy-three".