40194063 has 120 divisors (see below), whose sum is σ = 81108720. Its totient is φ = 19595520.

The previous prime is 40194053. The next prime is 40194083. The reversal of 40194063 is 36049104.

It is not a de Polignac number, because 40194063 - 2⁴ = 40194047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40194053) 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 119 ways as a sum of consecutive naturals, for example, 980323 + ... + 980363.

It is an arithmetic number, because the mean of its divisors is an integer number (675906).

Almost surely, 2^40194063 is an apocalyptic number.

40194063 is an abundant number, since it is smaller than the sum of its proper divisors (40914657).

40194063 is a wasteful number, since it uses less digits than its factorization.

40194063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 40194063 is about 6339.8787843302. The cubic root of 40194063 is about 342.5473690855.

The spelling of 40194063 in words is "forty million, one hundred ninety-four thousand, sixty-three".