213304214040 has 64 divisors (see below), whose sum is σ = 641970351360. Its totient is φ = 56698216320.

The previous prime is 213304214017. The next prime is 213304214047. The reversal of 213304214040 is 40412403312.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 213304214040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213304214047) 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, 2820454 + ... + 2895093.

It is an arithmetic number, because the mean of its divisors is an integer number (10030786740).

Almost surely, 2^213304214040 is an apocalyptic number.

213304214040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213304214040 is an abundant number, since it is smaller than the sum of its proper divisors (428666137320).

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

213304214040 is a wasteful number, since it uses less digits than its factorization.

213304214040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5715872 (or 5715868 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 213304214040 its reverse (40412403312), we get a palindrome (253716617352).

The spelling of 213304214040 in words is "two hundred thirteen billion, three hundred four million, two hundred fourteen thousand, forty".