40006226 has 8 divisors (see below), whose sum is σ = 64625484. Its totient is φ = 18464400.

The previous prime is 40006199. The next prime is 40006247. The reversal of 40006226 is 62260004.

It can be written as a sum of positive squares in 2 ways, for example, as 39075001 + 931225 = 6251^2 + 965^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 40006198 and 40006207.

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, 769325 + ... + 769376.

Almost surely, 2^40006226 is an apocalyptic number.

40006226 is a deficient number, since it is larger than the sum of its proper divisors (24619258).

40006226 is a wasteful number, since it uses less digits than its factorization.

40006226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538716.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 40006226 is about 6325.0475097030. The cubic root of 40006226 is about 342.0129322652.

The spelling of 40006226 in words is "forty million, six thousand, two hundred twenty-six".