40005673417 has 2 divisors, whose sum is σ = 40005673418. Its totient is φ = 40005673416.

The previous prime is 40005673373. The next prime is 40005673439. The reversal of 40005673417 is 71437650004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32641287561 + 7364385856 = 180669^2 + 85816^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40005673417 is a prime.

It is not a weakly prime, because it can be changed into another prime (40005670417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20002836708 + 20002836709.

It is an arithmetic number, because the mean of its divisors is an integer number (20002836709).

Almost surely, 2^40005673417 is an apocalyptic number.

It is an amenable number.

40005673417 is a deficient number, since it is larger than the sum of its proper divisors (1).

40005673417 is an equidigital number, since it uses as much as digits as its factorization.

40005673417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 37.

The spelling of 40005673417 in words is "forty billion, five million, six hundred seventy-three thousand, four hundred seventeen".