40921163 has 8 divisors (see below), whose sum is σ = 42782208. Its totient is φ = 39066984.

The previous prime is 40921081. The next prime is 40921171. The reversal of 40921163 is 36112904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40921163 - 2¹² = 40917067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40920163) 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 7 ways as a sum of consecutive naturals, for example, 13406 + ... + 16172.

It is an arithmetic number, because the mean of its divisors is an integer number (5347776).

Almost surely, 2^40921163 is an apocalyptic number.

40921163 is a deficient number, since it is larger than the sum of its proper divisors (1861045).

40921163 is a wasteful number, since it uses less digits than its factorization.

40921163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3433.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 40921163 is about 6396.9651398143. The cubic root of 40921163 is about 344.6005683231.

The spelling of 40921163 in words is "forty million, nine hundred twenty-one thousand, one hundred sixty-three".