40041366 has 16 divisors (see below), whose sum is σ = 80622000. Its totient is φ = 13257248.

The previous prime is 40041361. The next prime is 40041389. The reversal of 40041366 is 66314004.

It is a super-2 number, since 2×40041366² = 3206621982291912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40041361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21501 + ... + 23288.

It is an arithmetic number, because the mean of its divisors is an integer number (5038875).

Almost surely, 2^40041366 is an apocalyptic number.

40041366 is an abundant number, since it is smaller than the sum of its proper divisors (40580634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40041366 is a wasteful number, since it uses less digits than its factorization.

40041366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44943.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 40041366 is about 6327.8247447286. The cubic root of 40041366 is about 342.1130401612.

The spelling of 40041366 in words is "forty million, forty-one thousand, three hundred sixty-six".