40133226 has 32 divisors (see below), whose sum is σ = 97130880. Its totient is φ = 10791936.

The previous prime is 40133167. The next prime is 40133227. The reversal of 40133226 is 62233104.

It is a happy number.

It is a super-2 number, since 2×40133226² = 3221351658334152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40133227) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 27391 + ... + 28818.

It is an arithmetic number, because the mean of its divisors is an integer number (3035340).

Almost surely, 2^40133226 is an apocalyptic number.

40133226 is an abundant number, since it is smaller than the sum of its proper divisors (56997654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40133226 is a wasteful number, since it uses less digits than its factorization.

40133226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56238.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 40133226 is about 6335.0790050322. The cubic root of 40133226 is about 342.3744573359.

The spelling of 40133226 in words is "forty million, one hundred thirty-three thousand, two hundred twenty-six".