211000400050 has 24 divisors (see below), whose sum is σ = 428138994672. Its totient is φ = 76727418000.

The previous prime is 211000400003. The next prime is 211000400069. The reversal of 211000400050 is 50004000112.

It is a self number, because there is not a number n which added to its sum of digits gives 211000400050.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 191817996 + ... + 191819095.

It is an arithmetic number, because the mean of its divisors is an integer number (17839124778).

Almost surely, 2^211000400050 is an apocalyptic number.

211000400050 is an abundant number, since it is smaller than the sum of its proper divisors (217138594622).

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

211000400050 is a wasteful number, since it uses less digits than its factorization.

211000400050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383637114 (or 383637109 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

Adding to 211000400050 its reverse (50004000112), we get a palindrome (261004400162).

The spelling of 211000400050 in words is "two hundred eleven billion, four hundred thousand, fifty".