40890226 has 12 divisors (see below), whose sum is σ = 66416922. Its totient is φ = 18872256.

The previous prime is 40890211. The next prime is 40890233. The reversal of 40890226 is 62209804.

It can be written as a sum of positive squares in 3 ways, for example, as 15880225 + 25010001 = 3985^2 + 5001^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60151 + ... + 60826.

Almost surely, 2^40890226 is an apocalyptic number.

40890226 is a deficient number, since it is larger than the sum of its proper divisors (25526696).

40890226 is a wasteful number, since it uses less digits than its factorization.

40890226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121005 (or 120992 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 40890226 is about 6394.5465828313. The cubic root of 40890226 is about 344.5137053999.

The spelling of 40890226 in words is "forty million, eight hundred ninety thousand, two hundred twenty-six".