40536266 has 8 divisors (see below), whose sum is σ = 60878244. Its totient is φ = 20243520.

The previous prime is 40536263. The next prime is 40536277. The reversal of 40536266 is 66263504.

It can be written as a sum of positive squares in 2 ways, for example, as 38180041 + 2356225 = 6179^2 + 1535^2 .

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

It is a super-2 number, since 2×40536266² = 3286377722445512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40536263) 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, 10175 + ... + 13586.

Almost surely, 2^40536266 is an apocalyptic number.

40536266 is a deficient number, since it is larger than the sum of its proper divisors (20341978).

40536266 is a wasteful number, since it uses less digits than its factorization.

40536266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24616.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 40536266 is about 6366.8097191608. The cubic root of 40536266 is about 343.5167463993.

The spelling of 40536266 in words is "forty million, five hundred thirty-six thousand, two hundred sixty-six".