214431140424 has 64 divisors (see below), whose sum is σ = 583750872000. Its totient is φ = 65380089600.

The previous prime is 214431140423. The next prime is 214431140467. The reversal of 214431140424 is 424041134412.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 214431140391 and 214431140400.

It is not an unprimeable number, because it can be changed into a prime (214431140423) 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, 8094427 + ... + 8120874.

It is an arithmetic number, because the mean of its divisors is an integer number (9121107375).

Almost surely, 2^214431140424 is an apocalyptic number.

214431140424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

214431140424 is an abundant number, since it is smaller than the sum of its proper divisors (369319731576).

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

214431140424 is a wasteful number, since it uses less digits than its factorization.

214431140424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16215358 (or 16215354 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 214431140424 its reverse (424041134412), we get a palindrome (638472274836).

The spelling of 214431140424 in words is "two hundred fourteen billion, four hundred thirty-one million, one hundred forty thousand, four hundred twenty-four".