40623601 has 2 divisors, whose sum is σ = 40623602. Its totient is φ = 40623600.

The previous prime is 40623587. The next prime is 40623607. The reversal of 40623601 is 10632604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38142976 + 2480625 = 6176^2 + 1575^2 .

It is a cyclic number.

It is not a de Polignac number, because 40623601 - 2¹³ = 40615409 is a prime.

It is not a weakly prime, because it can be changed into another prime (40623607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20311800 + 20311801.

It is an arithmetic number, because the mean of its divisors is an integer number (20311801).

Almost surely, 2^40623601 is an apocalyptic number.

It is an amenable number.

40623601 is a deficient number, since it is larger than the sum of its proper divisors (1).

40623601 is an equidigital number, since it uses as much as digits as its factorization.

40623601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 40623601 is about 6373.6646444569. The cubic root of 40623601 is about 343.7632706282.

The spelling of 40623601 in words is "forty million, six hundred twenty-three thousand, six hundred one".