40403201 has 2 divisors, whose sum is σ = 40403202. Its totient is φ = 40403200.

The previous prime is 40403197. The next prime is 40403243. The reversal of 40403201 is 10230404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27836176 + 12567025 = 5276^2 + 3545^2 .

It is a cyclic number.

It is not a de Polignac number, because 40403201 - 2² = 40403197 is a prime.

It is not a weakly prime, because it can be changed into another prime (40403281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20201600 + 20201601.

It is an arithmetic number, because the mean of its divisors is an integer number (20201601).

Almost surely, 2^40403201 is an apocalyptic number.

It is an amenable number.

40403201 is a deficient number, since it is larger than the sum of its proper divisors (1).

40403201 is an equidigital number, since it uses as much as digits as its factorization.

40403201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 40403201 is about 6356.3512332155. The cubic root of 40403201 is about 343.1404564909.

Adding to 40403201 its reverse (10230404), we get a palindrome (50633605).

It can be divided in two parts, 40403 and 201, that added together give a palindrome (40604).

The spelling of 40403201 in words is "forty million, four hundred three thousand, two hundred one".