40042211 has 8 divisors (see below), whose sum is σ = 44027904. Its totient is φ = 36114120.

The previous prime is 40042187. The next prime is 40042213. The reversal of 40042211 is 11224004.

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

It is a cyclic number.

It is not a de Polignac number, because 40042211 - 2¹⁰ = 40041187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40042213) 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, 12935 + ... + 15728.

It is an arithmetic number, because the mean of its divisors is an integer number (5503488).

Almost surely, 2^40042211 is an apocalyptic number.

40042211 is a deficient number, since it is larger than the sum of its proper divisors (3985693).

40042211 is a wasteful number, since it uses less digits than its factorization.

40042211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28801.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 40042211 is about 6327.8915129765. The cubic root of 40042211 is about 342.1154467015.

Adding to 40042211 its reverse (11224004), we get a palindrome (51266215).

The spelling of 40042211 in words is "forty million, forty-two thousand, two hundred eleven".