213232424240 has 120 divisors (see below), whose sum is σ = 545175252384. Its totient is φ = 77504486400.

The previous prime is 213232424231. The next prime is 213232424267. The reversal of 213232424240 is 42424232312.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33518660 + ... + 33525020.

Almost surely, 2^213232424240 is an apocalyptic number.

213232424240 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 213232424240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272587626192).

213232424240 is an abundant number, since it is smaller than the sum of its proper divisors (331942828144).

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

213232424240 is a wasteful number, since it uses less digits than its factorization.

213232424240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9859 (or 9842 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 213232424240 its reverse (42424232312), we get a palindrome (255656656552).

The spelling of 213232424240 in words is "two hundred thirteen billion, two hundred thirty-two million, four hundred twenty-four thousand, two hundred forty".