211200040433040 has 80 divisors (see below), whose sum is σ = 669946174801728. Its totient is φ = 55010243086848.

The previous prime is 211200040433023. The next prime is 211200040433071. The reversal of 211200040433040 is 40334040002112.

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 211200040433040.

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, 10232549779 + ... + 10232570418.

Almost surely, 2^{211200040433040} is an apocalyptic number.

211200040433040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211200040433040 is an abundant number, since it is smaller than the sum of its proper divisors (458746134368688).

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

211200040433040 is a wasteful number, since it uses less digits than its factorization.

211200040433040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20465120256 (or 20465120250 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 211200040433040 its reverse (40334040002112), we get a palindrome (251534080435152).

The spelling of 211200040433040 in words is "two hundred eleven trillion, two hundred billion, forty million, four hundred thirty-three thousand, forty".