211433400032 has 48 divisors (see below), whose sum is σ = 425299279104. Its totient is φ = 103439040000.

The previous prime is 211433400019. The next prime is 211433400047. The reversal of 211433400032 is 230004334112.

It is a junction number, because it is equal to n+sod(n) for n = 211433399980 and 211433400007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89282 + ... + 656382.

It is an arithmetic number, because the mean of its divisors is an integer number (8860401648).

Almost surely, 2^211433400032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211433400032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212649639552).

211433400032 is an abundant number, since it is smaller than the sum of its proper divisors (213865879072).

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

211433400032 is a wasteful number, since it uses less digits than its factorization.

211433400032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567363 (or 567355 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 211433400032 its reverse (230004334112), we get a palindrome (441437734144).

The spelling of 211433400032 in words is "two hundred eleven billion, four hundred thirty-three million, four hundred thousand, thirty-two".