40131226 has 8 divisors (see below), whose sum is σ = 60269184. Its totient is φ = 20041500.

The previous prime is 40131209. The next prime is 40131227. The reversal of 40131226 is 62213104.

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

It is a super-2 number, since 2×40131226² = 3221030600526152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40131227) 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, 9900 + ... + 13351.

It is an arithmetic number, because the mean of its divisors is an integer number (7533648).

Almost surely, 2^40131226 is an apocalyptic number.

40131226 is a deficient number, since it is larger than the sum of its proper divisors (20137958).

40131226 is a wasteful number, since it uses less digits than its factorization.

40131226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24116.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 40131226 is about 6334.9211518376. The cubic root of 40131226 is about 342.3687699429.

The spelling of 40131226 in words is "forty million, one hundred thirty-one thousand, two hundred twenty-six".