82140273330 has 96 divisors (see below), whose sum is σ = 202021072704. Its totient is φ = 21374120064.

The previous prime is 82140273329. The next prime is 82140273331. The reversal of 82140273330 is 3337204128.

It is an interprime number because it is at equal distance from previous prime (82140273329) and next prime (82140273331).

It is a junction number, because it is equal to n+sod(n) for n = 82140273291 and 82140273300.

It is not an unprimeable number, because it can be changed into a prime (82140273331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24717049 + ... + 24720371.

It is an arithmetic number, because the mean of its divisors is an integer number (2104386174).

Almost surely, 2^82140273330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82140273330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101010536352).

82140273330 is an abundant number, since it is smaller than the sum of its proper divisors (119880799374).

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

82140273330 is a wasteful number, since it uses less digits than its factorization.

82140273330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3800 (or 3753 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

Adding to 82140273330 its reverse (3337204128), we get a palindrome (85477477458).

The spelling of 82140273330 in words is "eighty-two billion, one hundred forty million, two hundred seventy-three thousand, three hundred thirty".