216438097224 has 64 divisors (see below), whose sum is σ = 559877460480. Its totient is φ = 69652800000.

The previous prime is 216438097223. The next prime is 216438097247. The reversal of 216438097224 is 422790834612.

It is not an unprimeable number, because it can be changed into a prime (216438097223) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 32277 + ... + 658724.

It is an arithmetic number, because the mean of its divisors is an integer number (8748085320).

Almost surely, 2^216438097224 is an apocalyptic number.

216438097224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216438097224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279938730240).

216438097224 is an abundant number, since it is smaller than the sum of its proper divisors (343439363256).

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

216438097224 is a wasteful number, since it uses less digits than its factorization.

216438097224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691462 (or 691458 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 216438097224 in words is "two hundred sixteen billion, four hundred thirty-eight million, ninety-seven thousand, two hundred twenty-four".