219628724928 has 112 divisors (see below), whose sum is σ = 591095957760. Its totient is φ = 71959358464.

The previous prime is 219628724881. The next prime is 219628724947. The reversal of 219628724928 is 829427826912.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3104413 + ... + 3174371.

It is an arithmetic number, because the mean of its divisors is an integer number (5277642480).

Almost surely, 2^219628724928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 219628724928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295547978880).

219628724928 is an abundant number, since it is smaller than the sum of its proper divisors (371467232832).

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

219628724928 is a wasteful number, since it uses less digits than its factorization.

219628724928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70254 (or 70244 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 60.

The spelling of 219628724928 in words is "two hundred nineteen billion, six hundred twenty-eight million, seven hundred twenty-four thousand, nine hundred twenty-eight".