40182194 has 16 divisors (see below), whose sum is σ = 65016000. Its totient is φ = 18515280.

The previous prime is 40182161. The next prime is 40182199. The reversal of 40182194 is 49128104.

It is a super-2 number, since 2×40182194² = 3229217429307272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40182199) 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, 26057 + ... + 27555.

It is an arithmetic number, because the mean of its divisors is an integer number (4063500).

Almost surely, 2^40182194 is an apocalyptic number.

40182194 is a deficient number, since it is larger than the sum of its proper divisors (24833806).

40182194 is a wasteful number, since it uses less digits than its factorization.

40182194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2545.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 40182194 is about 6338.9426563111. The cubic root of 40182194 is about 342.5136485583.

The spelling of 40182194 in words is "forty million, one hundred eighty-two thousand, one hundred ninety-four".