40631063 has 16 divisors (see below), whose sum is σ = 47437440. Its totient is φ = 34408800.

The previous prime is 40631057. The next prime is 40631083. The reversal of 40631063 is 36013604.

It is a cyclic number.

It is not a de Polignac number, because 40631063 - 2¹⁰ = 40630039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40631023) 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 in 15 ways as a sum of consecutive naturals, for example, 11156 + ... + 14342.

It is an arithmetic number, because the mean of its divisors is an integer number (2964840).

Almost surely, 2^40631063 is an apocalyptic number.

40631063 is a deficient number, since it is larger than the sum of its proper divisors (6806377).

40631063 is a wasteful number, since it uses less digits than its factorization.

40631063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3278.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 40631063 is about 6374.2499950975. The cubic root of 40631063 is about 343.7843175436.

Adding to 40631063 its reverse (36013604), we get a palindrome (76644667).

The spelling of 40631063 in words is "forty million, six hundred thirty-one thousand, sixty-three".