40340226 has 8 divisors (see below), whose sum is σ = 80680464. Its totient is φ = 13446740.

The previous prime is 40340221. The next prime is 40340239. The reversal of 40340226 is 62204304.

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

40340226 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (40340221) 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 3 ways as a sum of consecutive naturals, for example, 3361680 + ... + 3361691.

It is an arithmetic number, because the mean of its divisors is an integer number (10085058).

Almost surely, 2^40340226 is an apocalyptic number.

40340226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40340226 is a wasteful number, since it uses less digits than its factorization.

40340226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6723376.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 40340226 is about 6351.3955946705. The cubic root of 40340226 is about 342.9620836010.

The spelling of 40340226 in words is "forty million, three hundred forty thousand, two hundred twenty-six".