40280063 has 2 divisors, whose sum is σ = 40280064. Its totient is φ = 40280062.

The previous prime is 40280059. The next prime is 40280083. The reversal of 40280063 is 36008204.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40280063 - 2² = 40280059 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40280003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20140031 + 20140032.

It is an arithmetic number, because the mean of its divisors is an integer number (20140032).

Almost surely, 2^40280063 is an apocalyptic number.

40280063 is a deficient number, since it is larger than the sum of its proper divisors (1).

40280063 is an equidigital number, since it uses as much as digits as its factorization.

40280063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 40280063 is about 6346.6576242933. The cubic root of 40280063 is about 342.7915020584.

Adding to 40280063 its reverse (36008204), we get a palindrome (76288267).

The spelling of 40280063 in words is "forty million, two hundred eighty thousand, sixty-three".