40140211 has 8 divisors (see below), whose sum is σ = 40743360. Its totient is φ = 39540072.

The previous prime is 40140203. The next prime is 40140229. The reversal of 40140211 is 11204104.

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 40140211 - 2³ = 40140203 is a prime.

It is a super-2 number, since 2×40140211² = 3222473078249042, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40140191 and 40140200.

It is not an unprimeable number, because it can be changed into a prime (40140241) 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, 46300 + ... + 47158.

It is an arithmetic number, because the mean of its divisors is an integer number (5092920).

Almost surely, 2^40140211 is an apocalyptic number.

40140211 is a deficient number, since it is larger than the sum of its proper divisors (603149).

40140211 is an equidigital number, since it uses as much as digits as its factorization.

40140211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 40140211 is about 6335.6302764603. The cubic root of 40140211 is about 342.3943190739.

Adding to 40140211 its reverse (11204104), we get a palindrome (51344315).

The spelling of 40140211 in words is "forty million, one hundred forty thousand, two hundred eleven".