40140174 has 8 divisors (see below), whose sum is σ = 80280360. Its totient is φ = 13380056.

The previous prime is 40140173. The next prime is 40140181. The reversal of 40140174 is 47104104.

It is a sphenic number, since it is the product of 3 distinct primes.

40140174 is an admirable number.

It is a super-2 number, since 2×40140174² = 3222467137500552, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40140174.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40140173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3345009 + ... + 3345020.

It is an arithmetic number, because the mean of its divisors is an integer number (10035045).

Almost surely, 2^40140174 is an apocalyptic number.

40140174 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40140174 is a wasteful number, since it uses less digits than its factorization.

40140174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6690034.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 40140174 is about 6335.6273564660. The cubic root of 40140174 is about 342.3942138711.

Adding to 40140174 its reverse (47104104), we get a palindrome (87244278).

The spelling of 40140174 in words is "forty million, one hundred forty thousand, one hundred seventy-four".