21848082270 has 192 divisors, whose sum is σ = 66332623680. Its totient is φ = 4572868608.

The previous prime is 21848082259. The next prime is 21848082271. The reversal of 21848082270 is 7228084812.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21848082271) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 912816 + ... + 936444.

It is an arithmetic number, because the mean of its divisors is an integer number (345482415).

Almost surely, 2^21848082270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21848082270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33166311840).

21848082270 is an abundant number, since it is smaller than the sum of its proper divisors (44484541410).

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

21848082270 is a wasteful number, since it uses less digits than its factorization.

21848082270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23707 (or 23700 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 42.

The spelling of 21848082270 in words is "twenty-one billion, eight hundred forty-eight million, eighty-two thousand, two hundred seventy".