40938194 has 16 divisors (see below), whose sum is σ = 67144896. Its totient is φ = 18565200.

The previous prime is 40938187. The next prime is 40938199. The reversal of 40938194 is 49183904.

It is not an unprimeable number, because it can be changed into a prime (40938199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8804 + ... + 12624.

It is an arithmetic number, because the mean of its divisors is an integer number (4196556).

Almost surely, 2^40938194 is an apocalyptic number.

40938194 is a deficient number, since it is larger than the sum of its proper divisors (26206702).

40938194 is a wasteful number, since it uses less digits than its factorization.

40938194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4321.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 40938194 is about 6398.2961794528. The cubic root of 40938194 is about 344.6483681887.

The spelling of 40938194 in words is "forty million, nine hundred thirty-eight thousand, one hundred ninety-four".