82322215040 has 128 divisors (see below), whose sum is σ = 223095297600. Its totient is φ = 28796055552.

The previous prime is 82322215039. The next prime is 82322215057. The reversal of 82322215040 is 4051222328.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 82322214994 and 82322215012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102302 + ... + 418461.

Almost surely, 2^82322215040 is an apocalyptic number.

82322215040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

82322215040 is an abundant number, since it is smaller than the sum of its proper divisors (140773082560).

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

82322215040 is a wasteful number, since it uses less digits than its factorization.

82322215040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520814 (or 520802 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 82322215040 its reverse (4051222328), we get a palindrome (86373437368).

The spelling of 82322215040 in words is "eighty-two billion, three hundred twenty-two million, two hundred fifteen thousand, forty".