40263266 has 8 divisors (see below), whose sum is σ = 60434220. Its totient is φ = 20118528.

The previous prime is 40263263. The next prime is 40263277. The reversal of 40263266 is 66236204.

40263266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 40056241 + 207025 = 6329^2 + 455^2 .

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

It is a super-2 number, since 2×40263266² = 3242261177973512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40263263) 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 3 ways as a sum of consecutive naturals, for example, 2111 + ... + 9218.

Almost surely, 2^40263266 is an apocalyptic number.

40263266 is a deficient number, since it is larger than the sum of its proper divisors (20170954).

40263266 is a wasteful number, since it uses less digits than its factorization.

40263266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13108.

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

The square root of 40263266 is about 6345.3341913567. The cubic root of 40263266 is about 342.7438468085.

The spelling of 40263266 in words is "forty million, two hundred sixty-three thousand, two hundred sixty-six".