40131352 has 16 divisors (see below), whose sum is σ = 75403440. Its totient is φ = 20023776.

The previous prime is 40131349. The next prime is 40131361. The reversal of 40131352 is 25313104.

It is a super-2 number, since 2×40131352² = 3221050826695808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 963 + ... + 9010.

It is an arithmetic number, because the mean of its divisors is an integer number (4712715).

Almost surely, 2^40131352 is an apocalyptic number.

It is an amenable number.

40131352 is a deficient number, since it is larger than the sum of its proper divisors (35272088).

40131352 is a wasteful number, since it uses less digits than its factorization.

40131352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10482 (or 10478 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 40131352 is about 6334.9310967050. The cubic root of 40131352 is about 342.3691282542.

Adding to 40131352 its reverse (25313104), we get a palindrome (65444456).

The spelling of 40131352 in words is "forty million, one hundred thirty-one thousand, three hundred fifty-two".