213004341040 has 80 divisors (see below), whose sum is σ = 526543174080. Its totient is φ = 79857008640.

The previous prime is 213004341037. The next prime is 213004341047. The reversal of 213004341040 is 40143400312.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (213004341047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2821 + ... + 652699.

It is an arithmetic number, because the mean of its divisors is an integer number (6581789676).

Almost surely, 2^213004341040 is an apocalyptic number.

213004341040 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 213004341040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263271587040).

213004341040 is an abundant number, since it is smaller than the sum of its proper divisors (313538833040).

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

213004341040 is a wasteful number, since it uses less digits than its factorization.

213004341040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650150 (or 650144 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 213004341040 its reverse (40143400312), we get a palindrome (253147741352).

The spelling of 213004341040 in words is "two hundred thirteen billion, four million, three hundred forty-one thousand, forty".