213224440240032 has 48 divisors (see below), whose sum is σ = 602769090682080. Its totient is φ = 65607520073472.

The previous prime is 213224440240027. The next prime is 213224440240043. The reversal of 213224440240032 is 230042044422312.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×213224440240032² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213224440239975 and 213224440240002.

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, 85426457182 + ... + 85426459677.

It is an arithmetic number, because the mean of its divisors is an integer number (12557689389210).

Almost surely, 2^{213224440240032} is an apocalyptic number.

It is an amenable number.

213224440240032 is an abundant number, since it is smaller than the sum of its proper divisors (389544650442048).

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

213224440240032 is a wasteful number, since it uses less digits than its factorization.

213224440240032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170852916885 (or 170852916877 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 213224440240032 its reverse (230042044422312), we get a palindrome (443266484662344).

The spelling of 213224440240032 in words is "two hundred thirteen trillion, two hundred twenty-four billion, four hundred forty million, two hundred forty thousand, thirty-two".