213430440424 has 32 divisors (see below), whose sum is σ = 404415648000. Its totient is φ = 105592196160.

The previous prime is 213430440407. The next prime is 213430440437. The reversal of 213430440424 is 424044034312.

It is a super-2 number, since 2×213430440424² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82192 + ... + 658495.

It is an arithmetic number, because the mean of its divisors is an integer number (12637989000).

Almost surely, 2^213430440424 is an apocalyptic number.

It is an amenable number.

213430440424 is a deficient number, since it is larger than the sum of its proper divisors (190985207576).

213430440424 is a wasteful number, since it uses less digits than its factorization.

213430440424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741073 (or 741069 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 213430440424 its reverse (424044034312), we get a palindrome (637474474736).

The spelling of 213430440424 in words is "two hundred thirteen billion, four hundred thirty million, four hundred forty thousand, four hundred twenty-four".