211404042344 has 32 divisors (see below), whose sum is σ = 437891011200. Its totient is φ = 94876379520.

The previous prime is 211404042341. The next prime is 211404042373. The reversal of 211404042344 is 443240404112.

It is not an unprimeable number, because it can be changed into a prime (211404042341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15197597 + ... + 15211500.

It is an arithmetic number, because the mean of its divisors is an integer number (13684094100).

Almost surely, 2^211404042344 is an apocalyptic number.

It is an amenable number.

211404042344 is an abundant number, since it is smaller than the sum of its proper divisors (226486968856).

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

211404042344 is a wasteful number, since it uses less digits than its factorization.

211404042344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30409193 (or 30409189 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 211404042344 its reverse (443240404112), we get a palindrome (654644446456).

The spelling of 211404042344 in words is "two hundred eleven billion, four hundred four million, forty-two thousand, three hundred forty-four".