40131074 has 4 divisors (see below), whose sum is σ = 60196614. Its totient is φ = 20065536.

The previous prime is 40131071. The next prime is 40131109. The reversal of 40131074 is 47013104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20638849 + 19492225 = 4543^2 + 4415^2 .

It is a super-2 number, since 2×40131074² = 3221006200786952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40131071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10032767 + ... + 10032770.

Almost surely, 2^40131074 is an apocalyptic number.

40131074 is a deficient number, since it is larger than the sum of its proper divisors (20065540).

40131074 is a wasteful number, since it uses less digits than its factorization.

40131074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20065539.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 40131074 is about 6334.9091548340. The cubic root of 40131074 is about 342.3683376933.

Adding to 40131074 its reverse (47013104), we get a palindrome (87144178).

The spelling of 40131074 in words is "forty million, one hundred thirty-one thousand, seventy-four".