211011040 has 48 divisors (see below), whose sum is σ = 499685760. Its totient is φ = 84206080.

The previous prime is 211011011. The next prime is 211011071. The reversal of 211011040 is 40110112.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80145 + ... + 82735.

It is an arithmetic number, because the mean of its divisors is an integer number (10410120).

Almost surely, 2^211011040 is an apocalyptic number.

211011040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211011040 is an abundant number, since it is smaller than the sum of its proper divisors (288674720).

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

211011040 is a wasteful number, since it uses less digits than its factorization.

211011040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3115 (or 3107 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 211011040 is about 14526.2190538350. The cubic root of 211011040 is about 595.3445642124.

Adding to 211011040 its reverse (40110112), we get a palindrome (251121152).

The spelling of 211011040 in words is "two hundred eleven million, eleven thousand, forty".