40641266 has 8 divisors (see below), whose sum is σ = 64170480. Its totient is φ = 19251108.

The previous prime is 40641257. The next prime is 40641269. The reversal of 40641266 is 66214604.

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

It is not an unprimeable number, because it can be changed into a prime (40641269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534716 + ... + 534791.

It is an arithmetic number, because the mean of its divisors is an integer number (8021310).

Almost surely, 2^40641266 is an apocalyptic number.

40641266 is a deficient number, since it is larger than the sum of its proper divisors (23529214).

40641266 is a wasteful number, since it uses less digits than its factorization.

40641266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069528.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 40641266 is about 6375.0502743116. The cubic root of 40641266 is about 343.8130914058.

The spelling of 40641266 in words is "forty million, six hundred forty-one thousand, two hundred sixty-six".