213432024440 has 32 divisors (see below), whose sum is σ = 482375537280. Its totient is φ = 84989968512.

The previous prime is 213432024427. The next prime is 213432024457. The reversal of 213432024440 is 44420234312.

213432024440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11954759 + ... + 11972598.

It is an arithmetic number, because the mean of its divisors is an integer number (15074235540).

Almost surely, 2^213432024440 is an apocalyptic number.

213432024440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213432024440 is an abundant number, since it is smaller than the sum of its proper divisors (268943512840).

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

213432024440 is a wasteful number, since it uses less digits than its factorization.

213432024440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23927591 (or 23927587 counting only the distinct ones).

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

Adding to 213432024440 its reverse (44420234312), we get a palindrome (257852258752).

The spelling of 213432024440 in words is "two hundred thirteen billion, four hundred thirty-two million, twenty-four thousand, four hundred forty".