40171424 has 12 divisors (see below), whose sum is σ = 79087554. Its totient is φ = 20085696.

The previous prime is 40171423. The next prime is 40171427. The reversal of 40171424 is 42417104.

It is a happy number.

40171424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 39287824 + 883600 = 6268^2 + 940^2 .

It is a super-2 number, since 2×40171424² = 3227486612375552, 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 40171424.

It is not an unprimeable number, because it can be changed into a prime (40171423) 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 as a sum of consecutive naturals, namely, 627647 + ... + 627710.

Almost surely, 2^40171424 is an apocalyptic number.

It is an amenable number.

40171424 is a deficient number, since it is larger than the sum of its proper divisors (38916130).

40171424 is a wasteful number, since it uses less digits than its factorization.

40171424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255367 (or 1255359 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 40171424 is about 6338.0930886190. The cubic root of 40171424 is about 342.4830446079.

Adding to 40171424 its reverse (42417104), we get a palindrome (82588528).

The spelling of 40171424 in words is "forty million, one hundred seventy-one thousand, four hundred twenty-four".