219470242068 has 1152 divisors, whose sum is σ = 810451353600. Its totient is φ = 50556441600.

The previous prime is 219470242027. The next prime is 219470242151. The reversal of 219470242068 is 860242074912.

219470242068 is a `hidden beast` number, since 219 + 4 + 7 + 0 + 2 + 420 + 6 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 1268614030 + ... + 1268614202.

It is an arithmetic number, because the mean of its divisors is an integer number (703516800).

Almost surely, 2^219470242068 is an apocalyptic number.

219470242068 is a gapful number since it is divisible by the number (28) 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 219470242068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (405225676800).

219470242068 is an abundant number, since it is smaller than the sum of its proper divisors (590981111532).

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

219470242068 is a wasteful number, since it uses less digits than its factorization.

219470242068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 219470242068 in words is "two hundred nineteen billion, four hundred seventy million, two hundred forty-two thousand, sixty-eight".