82425468544 has 32 divisors (see below), whose sum is σ = 169869305700. Its totient is φ = 39791603712.

The previous prime is 82425468539. The next prime is 82425468551. The reversal of 82425468544 is 44586452428.

It can be written as a sum of positive squares in 2 ways, for example, as 77974977600 + 4450490944 = 279240^2 + 66712^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 82425468491 and 82425468500.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11098857 + ... + 11106280.

Almost surely, 2^82425468544 is an apocalyptic number.

It is an amenable number.

82425468544 is an abundant number, since it is smaller than the sum of its proper divisors (87443837156).

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

82425468544 is a wasteful number, since it uses less digits than its factorization.

82425468544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22205180 (or 22205168 counting only the distinct ones).

The product of its digits is 9830400, while the sum is 52.

The spelling of 82425468544 in words is "eighty-two billion, four hundred twenty-five million, four hundred sixty-eight thousand, five hundred forty-four".