40438195 has 8 divisors (see below), whose sum is σ = 55458144. Its totient is φ = 27729024.

The previous prime is 40438169. The next prime is 40438199. The reversal of 40438195 is 59183404.

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 40438195 - 2¹¹ = 40436147 is a prime.

It is a super-2 number, since 2×40438195² = 3270495229716050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40438195.

It is not an unprimeable number, because it can be changed into a prime (40438199) 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, 577654 + ... + 577723.

It is an arithmetic number, because the mean of its divisors is an integer number (6932268).

Almost surely, 2^40438195 is an apocalyptic number.

40438195 is a deficient number, since it is larger than the sum of its proper divisors (15019949).

40438195 is a wasteful number, since it uses less digits than its factorization.

40438195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155389.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 40438195 is about 6359.1033172925. The cubic root of 40438195 is about 343.2394947829.

The spelling of 40438195 in words is "forty million, four hundred thirty-eight thousand, one hundred ninety-five".