40021174 has 8 divisors (see below), whose sum is σ = 60060600. Its totient is φ = 20000976.

The previous prime is 40021171. The next prime is 40021181. The reversal of 40021174 is 47112004.

40021174 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40021171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2817 + ... + 9379.

It is an arithmetic number, because the mean of its divisors is an integer number (7507575).

Almost surely, 2^40021174 is an apocalyptic number.

40021174 is a deficient number, since it is larger than the sum of its proper divisors (20039426).

40021174 is a wasteful number, since it uses less digits than its factorization.

40021174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9614.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 40021174 is about 6326.2290505482. The cubic root of 40021174 is about 342.0555237417.

Adding to 40021174 its reverse (47112004), we get a palindrome (87133178).

The spelling of 40021174 in words is "forty million, twenty-one thousand, one hundred seventy-four".