40512266 has 8 divisors (see below), whose sum is σ = 61451460. Its totient is φ = 20028448.

The previous prime is 40512253. The next prime is 40512271. The reversal of 40512266 is 66221504.

It can be written as a sum of positive squares in 2 ways, for example, as 35153041 + 5359225 = 5929^2 + 2315^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 113621 + ... + 113976.

Almost surely, 2^40512266 is an apocalyptic number.

40512266 is a deficient number, since it is larger than the sum of its proper divisors (20939194).

40512266 is a wasteful number, since it uses less digits than its factorization.

40512266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227688.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 40512266 is about 6364.9246656972. The cubic root of 40512266 is about 343.4489385626.

The spelling of 40512266 in words is "forty million, five hundred twelve thousand, two hundred sixty-six".