213140444432 has 40 divisors (see below), whose sum is σ = 438117196800. Its totient is φ = 100166274432.

The previous prime is 213140444401. The next prime is 213140444453. The reversal of 213140444432 is 234444041312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2721707 + ... + 2798922.

It is an arithmetic number, because the mean of its divisors is an integer number (10952929920).

Almost surely, 2^213140444432 is an apocalyptic number.

It is an amenable number.

213140444432 is an abundant number, since it is smaller than the sum of its proper divisors (224976752368).

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

213140444432 is a wasteful number, since it uses less digits than its factorization.

213140444432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5520783 (or 5520777 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 213140444432 its reverse (234444041312), we get a palindrome (447584485744).

The spelling of 213140444432 in words is "two hundred thirteen billion, one hundred forty million, four hundred forty-four thousand, four hundred thirty-two".