82440795388 has 36 divisors (see below), whose sum is σ = 169950315360. Its totient is φ = 34884525312.

The previous prime is 82440795383. The next prime is 82440795431. The reversal of 82440795388 is 88359704428.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82440795383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2646645 + ... + 2677612.

Almost surely, 2^82440795388 is an apocalyptic number.

It is an amenable number.

82440795388 is an abundant number, since it is smaller than the sum of its proper divisors (87509519972).

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

82440795388 is a wasteful number, since it uses less digits than its factorization.

82440795388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5324354 (or 5324345 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 58.

The spelling of 82440795388 in words is "eighty-two billion, four hundred forty million, seven hundred ninety-five thousand, three hundred eighty-eight".