40182197 has 8 divisors (see below), whose sum is σ = 45347040. Its totient is φ = 35269360.

The previous prime is 40182161. The next prime is 40182199. The reversal of 40182197 is 79128104.

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 40182197 - 2¹⁴ = 40165813 is a prime.

It is a super-2 number, since 2×40182197² = 3229217911493618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40182199) 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, 62663 + ... + 63300.

It is an arithmetic number, because the mean of its divisors is an integer number (5668380).

Almost surely, 2^40182197 is an apocalyptic number.

It is an amenable number.

40182197 is a deficient number, since it is larger than the sum of its proper divisors (5164843).

40182197 is a wasteful number, since it uses less digits than its factorization.

40182197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126003.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 40182197 is about 6338.9428929436. The cubic root of 40182197 is about 342.5136570824.

The spelling of 40182197 in words is "forty million, one hundred eighty-two thousand, one hundred ninety-seven".