40629163 has 4 divisors (see below), whose sum is σ = 42767560. Its totient is φ = 38490768.

The previous prime is 40629161. The next prime is 40629181. The reversal of 40629163 is 36192604.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40629163 - 2¹ = 40629161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40629161) 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 3 ways as a sum of consecutive naturals, for example, 1069170 + ... + 1069207.

It is an arithmetic number, because the mean of its divisors is an integer number (10691890).

Almost surely, 2^40629163 is an apocalyptic number.

40629163 is a deficient number, since it is larger than the sum of its proper divisors (2138397).

40629163 is a wasteful number, since it uses less digits than its factorization.

40629163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138396.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 40629163 is about 6374.1009562134. The cubic root of 40629163 is about 343.7789587504.

It can be divided in two parts, 4062 and 9163, that added together give a square (13225 = 115²).

The spelling of 40629163 in words is "forty million, six hundred twenty-nine thousand, one hundred sixty-three".