82440028826 has 16 divisors (see below), whose sum is σ = 126016275528. Its totient is φ = 40434888000.

The previous prime is 82440028681. The next prime is 82440028843. The reversal of 82440028826 is 62882004428.

It can be written as a sum of positive squares in 4 ways, for example, as 71930703601 + 10509325225 = 268199^2 + 102515^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536096 + ... + 672516.

Almost surely, 2^82440028826 is an apocalyptic number.

82440028826 is a deficient number, since it is larger than the sum of its proper divisors (43576246702).

82440028826 is a wasteful number, since it uses less digits than its factorization.

82440028826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142177.

The product of its (nonzero) digits is 393216, while the sum is 44.

The spelling of 82440028826 in words is "eighty-two billion, four hundred forty million, twenty-eight thousand, eight hundred twenty-six".