82440275051 has 8 divisors (see below), whose sum is σ = 82548621984. Its totient is φ = 82331979840.

The previous prime is 82440275039. The next prime is 82440275069. The reversal of 82440275051 is 15057204428.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82440275051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82440274996 and 82440275014.

It is not an unprimeable number, because it can be changed into a prime (82440275081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3942215 + ... + 3963071.

It is an arithmetic number, because the mean of its divisors is an integer number (10318577748).

Almost surely, 2^82440275051 is an apocalyptic number.

82440275051 is a deficient number, since it is larger than the sum of its proper divisors (108346933).

82440275051 is a wasteful number, since it uses less digits than its factorization.

82440275051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25861.

The product of its (nonzero) digits is 89600, while the sum is 38.

Adding to 82440275051 its reverse (15057204428), we get a palindrome (97497479479).

The spelling of 82440275051 in words is "eighty-two billion, four hundred forty million, two hundred seventy-five thousand, fifty-one".