211443114443440 has 160 divisors (see below), whose sum is σ = 555854504016960. Its totient is φ = 74094586675200.

The previous prime is 211443114443401. The next prime is 211443114443453. The reversal of 211443114443440 is 44344411344112.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 211443114443393 and 211443114443402.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5344492 + ... + 21247348.

It is an arithmetic number, because the mean of its divisors is an integer number (3474090650106).

Almost surely, 2^{211443114443440} is an apocalyptic number.

211443114443440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211443114443440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277927252008480).

211443114443440 is an abundant number, since it is smaller than the sum of its proper divisors (344411389573520).

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

211443114443440 is a wasteful number, since it uses less digits than its factorization.

211443114443440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15903431 (or 15903425 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 40.

Adding to 211443114443440 its reverse (44344411344112), we get a palindrome (255787525787552).

The spelling of 211443114443440 in words is "two hundred eleven trillion, four hundred forty-three billion, one hundred fourteen million, four hundred forty-three thousand, four hundred forty".