211404014320 has 20 divisors (see below), whose sum is σ = 491514333480. Its totient is φ = 84561605696.

The previous prime is 211404014249. The next prime is 211404014363. The reversal of 211404014320 is 23410404112.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×211404014320² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211404014291 and 211404014300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1321275010 + ... + 1321275169.

It is an arithmetic number, because the mean of its divisors is an integer number (24575716674).

Almost surely, 2^211404014320 is an apocalyptic number.

211404014320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211404014320 is an abundant number, since it is smaller than the sum of its proper divisors (280110319160).

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

211404014320 is a wasteful number, since it uses less digits than its factorization.

211404014320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2642550192 (or 2642550186 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 211404014320 its reverse (23410404112), we get a palindrome (234814418432).

The spelling of 211404014320 in words is "two hundred eleven billion, four hundred four million, fourteen thousand, three hundred twenty".