40421226 has 16 divisors (see below), whose sum is σ = 80924544. Its totient is φ = 13460064.

The previous prime is 40421221. The next prime is 40421239. The reversal of 40421226 is 62212404.

40421226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40421226² = 3267751022686152, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40421221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4335 + ... + 9981.

It is an arithmetic number, because the mean of its divisors is an integer number (5057784).

Almost surely, 2^40421226 is an apocalyptic number.

40421226 is an abundant number, since it is smaller than the sum of its proper divisors (40503318).

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

40421226 is a wasteful number, since it uses less digits than its factorization.

40421226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6845.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 40421226 is about 6357.7689483025. The cubic root of 40421226 is about 343.1914770950.

The spelling of 40421226 in words is "forty million, four hundred twenty-one thousand, two hundred twenty-six".