40305401 has 2 divisors, whose sum is σ = 40305402. Its totient is φ = 40305400.

The previous prime is 40305379. The next prime is 40305409. The reversal of 40305401 is 10450304.

40305401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33362176 + 6943225 = 5776^2 + 2635^2 .

It is a cyclic number.

It is not a de Polignac number, because 40305401 - 2¹⁴ = 40289017 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40305401.

It is not a weakly prime, because it can be changed into another prime (40305409) 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, 20152700 + 20152701.

It is an arithmetic number, because the mean of its divisors is an integer number (20152701).

Almost surely, 2^40305401 is an apocalyptic number.

It is an amenable number.

40305401 is a deficient number, since it is larger than the sum of its proper divisors (1).

40305401 is an equidigital number, since it uses as much as digits as its factorization.

40305401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 40305401 is about 6348.6534792820. The cubic root of 40305401 is about 342.8633641646.

Adding to 40305401 its reverse (10450304), we get a palindrome (50755705).

The spelling of 40305401 in words is "forty million, three hundred five thousand, four hundred one".