40305266 has 16 divisors (see below), whose sum is σ = 64133856. Its totient is φ = 18931776.

The previous prime is 40305253. The next prime is 40305311. The reversal of 40305266 is 66250304.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 30185 + ... + 31491.

It is an arithmetic number, because the mean of its divisors is an integer number (4008366).

Almost surely, 2^40305266 is an apocalyptic number.

40305266 is a deficient number, since it is larger than the sum of its proper divisors (23828590).

40305266 is a wasteful number, since it uses less digits than its factorization.

40305266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 40305266 is about 6348.6428470973. The cubic root of 40305266 is about 342.8629813655.

The spelling of 40305266 in words is "forty million, three hundred five thousand, two hundred sixty-six".