211433033040 has 80 divisors (see below), whose sum is σ = 670685281728. Its totient is φ = 55070926848.

The previous prime is 211433033033. The next prime is 211433033093. The reversal of 211433033040 is 40330334112.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 211433033040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10233529 + ... + 10254168.

Almost surely, 2^211433033040 is an apocalyptic number.

211433033040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211433033040 is an abundant number, since it is smaller than the sum of its proper divisors (459252248688).

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

211433033040 is a wasteful number, since it uses less digits than its factorization.

211433033040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20487756 (or 20487750 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 211433033040 its reverse (40330334112), we get a palindrome (251763367152).

The spelling of 211433033040 in words is "two hundred eleven billion, four hundred thirty-three million, thirty-three thousand, forty".