82444452804 has 48 divisors (see below), whose sum is σ = 244279862400. Its totient is φ = 23555557728.

The previous prime is 82444452793. The next prime is 82444452809. The reversal of 82444452804 is 40825444428.

82444452804 is a `hidden beast` number, since 82 + 4 + 4 + 44 + 528 + 0 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 82444452804.

It is not an unprimeable number, because it can be changed into a prime (82444452809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54525999 + ... + 54527510.

It is an arithmetic number, because the mean of its divisors is an integer number (5089163800).

Almost surely, 2^82444452804 is an apocalyptic number.

82444452804 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

82444452804 is an abundant number, since it is smaller than the sum of its proper divisors (161835409596).

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

82444452804 is a wasteful number, since it uses less digits than its factorization.

82444452804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109053529 (or 109053521 counting only the distinct ones).

The product of its (nonzero) digits is 1310720, while the sum is 45.

The spelling of 82444452804 in words is "eighty-two billion, four hundred forty-four million, four hundred fifty-two thousand, eight hundred four".