40064163 has 16 divisors (see below), whose sum is σ = 54950400. Its totient is φ = 25952096.

The previous prime is 40064161. The next prime is 40064197. The reversal of 40064163 is 36146004.

It is a cyclic number.

It is not a de Polignac number, because 40064163 - 2¹ = 40064161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40064161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20056 + ... + 21962.

It is an arithmetic number, because the mean of its divisors is an integer number (3434400).

Almost surely, 2^40064163 is an apocalyptic number.

40064163 is a deficient number, since it is larger than the sum of its proper divisors (14886237).

40064163 is a wasteful number, since it uses less digits than its factorization.

40064163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 40064163 is about 6329.6258183245. The cubic root of 40064163 is about 342.1779536254.

The spelling of 40064163 in words is "forty million, sixty-four thousand, one hundred sixty-three".