40326266 has 4 divisors (see below), whose sum is σ = 60489402. Its totient is φ = 20163132.

The previous prime is 40326259. The next prime is 40326271. The reversal of 40326266 is 66262304.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 38180041 + 2146225 = 6179^2 + 1465^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10081565 + ... + 10081568.

Almost surely, 2^40326266 is an apocalyptic number.

40326266 is a deficient number, since it is larger than the sum of its proper divisors (20163136).

40326266 is a wasteful number, since it uses less digits than its factorization.

40326266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20163135.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 40326266 is about 6350.2965285095. The cubic root of 40326266 is about 342.9225176098.

The spelling of 40326266 in words is "forty million, three hundred twenty-six thousand, two hundred sixty-six".