211342044 has 36 divisors (see below), whose sum is σ = 505500632. Its totient is φ = 68722560.

The previous prime is 211342037. The next prime is 211342049. The reversal of 211342044 is 440243112.

211342044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 211342044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211342049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14934 + ... + 25410.

Almost surely, 2^211342044 is an apocalyptic number.

It is an amenable number.

211342044 is an abundant number, since it is smaller than the sum of its proper divisors (294158588).

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

211342044 is a wasteful number, since it uses less digits than its factorization.

211342044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10566 (or 10523 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 211342044 is about 14537.6079187740. The cubic root of 211342044 is about 595.6556987723.

Adding to 211342044 its reverse (440243112), we get a palindrome (651585156).

The spelling of 211342044 in words is "two hundred eleven million, three hundred forty-two thousand, forty-four".