40887211 has 4 divisors (see below), whose sum is σ = 41379912. Its totient is φ = 40394512.

The previous prime is 40887191. The next prime is 40887241. The reversal of 40887211 is 11278804.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40887211 - 2¹⁹ = 40362923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40887241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246226 + ... + 246391.

It is an arithmetic number, because the mean of its divisors is an integer number (10344978).

Almost surely, 2^40887211 is an apocalyptic number.

40887211 is a deficient number, since it is larger than the sum of its proper divisors (492701).

40887211 is an equidigital number, since it uses as much as digits as its factorization.

40887211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492700.

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 40887211 is about 6394.3108307307. The cubic root of 40887211 is about 344.5052377337.

The spelling of 40887211 in words is "forty million, eight hundred eighty-seven thousand, two hundred eleven".