82268336440 has 16 divisors (see below), whose sum is σ = 185103757080. Its totient is φ = 32907334560.

The previous prime is 82268336411. The next prime is 82268336471. The reversal of 82268336440 is 4463386228.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1028354166 + ... + 1028354245.

Almost surely, 2^82268336440 is an apocalyptic number.

It is an amenable number.

82268336440 is an abundant number, since it is smaller than the sum of its proper divisors (102835420640).

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

82268336440 is a wasteful number, since it uses less digits than its factorization.

82268336440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056708422 (or 2056708418 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 46.

The spelling of 82268336440 in words is "eighty-two billion, two hundred sixty-eight million, three hundred thirty-six thousand, four hundred forty".