211232440534 has 48 divisors (see below), whose sum is σ = 331150927536. Its totient is φ = 100997729280.

The previous prime is 211232440513. The next prime is 211232440541. The reversal of 211232440534 is 435044232112.

211232440534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 211232440496 and 211232440505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74559982 + ... + 74562814.

It is an arithmetic number, because the mean of its divisors is an integer number (6898977657).

Almost surely, 2^211232440534 is an apocalyptic number.

211232440534 is a deficient number, since it is larger than the sum of its proper divisors (119918487002).

211232440534 is a wasteful number, since it uses less digits than its factorization.

211232440534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233 (or 3172 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 211232440534 its reverse (435044232112), we get a palindrome (646276672646).

The spelling of 211232440534 in words is "two hundred eleven billion, two hundred thirty-two million, four hundred forty thousand, five hundred thirty-four".