211043320214440 has 32 divisors (see below), whose sum is σ = 542682823409280. Its totient is φ = 72357709787712.

The previous prime is 211043320214431. The next prime is 211043320214443. The reversal of 211043320214440 is 44412023340112.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (211043320214443) 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, 376863071532 + ... + 376863072091.

It is an arithmetic number, because the mean of its divisors is an integer number (16958838231540).

Almost surely, 2^{211043320214440} is an apocalyptic number.

211043320214440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211043320214440 is an abundant number, since it is smaller than the sum of its proper divisors (331639503194840).

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

211043320214440 is a wasteful number, since it uses less digits than its factorization.

211043320214440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753726143641 (or 753726143637 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 211043320214440 its reverse (44412023340112), we get a palindrome (255455343554552).

The spelling of 211043320214440 in words is "two hundred eleven trillion, forty-three billion, three hundred twenty million, two hundred fourteen thousand, four hundred forty".