211404341442 has 16 divisors (see below), whose sum is σ = 483209923392. Its totient is φ = 60401240400.

The previous prime is 211404341437. The next prime is 211404341501. The reversal of 211404341442 is 244143404112.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2516718309 + ... + 2516718392.

It is an arithmetic number, because the mean of its divisors is an integer number (30200620212).

Almost surely, 2^211404341442 is an apocalyptic number.

211404341442 is an abundant number, since it is smaller than the sum of its proper divisors (271805581950).

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

211404341442 is a wasteful number, since it uses less digits than its factorization.

211404341442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5033436713.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 211404341442 its reverse (244143404112), we get a palindrome (455547745554).

The spelling of 211404341442 in words is "two hundred eleven billion, four hundred four million, three hundred forty-one thousand, four hundred forty-two".