40663064 has 16 divisors (see below), whose sum is σ = 82108320. Its totient is φ = 18767520.

The previous prime is 40663043. The next prime is 40663067. The reversal of 40663064 is 46036604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40663067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195392 + ... + 195599.

It is an arithmetic number, because the mean of its divisors is an integer number (5131770).

Almost surely, 2^40663064 is an apocalyptic number.

It is an amenable number.

40663064 is an abundant number, since it is smaller than the sum of its proper divisors (41445256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40663064 is a wasteful number, since it uses less digits than its factorization.

40663064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391010 (or 391006 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 40663064 is about 6376.7596787083. The cubic root of 40663064 is about 343.8745486308.

Adding to 40663064 its reverse (46036604), we get a palindrome (86699668).

The spelling of 40663064 in words is "forty million, six hundred sixty-three thousand, sixty-four".