682844440042 has 8 divisors (see below), whose sum is σ = 1024341416100. Its totient is φ = 341397301344.

The previous prime is 682844440037. The next prime is 682844440097. The reversal of 682844440042 is 240044448286.

It can be written as a sum of positive squares in 2 ways, for example, as 680560651521 + 2283788521 = 824961^2 + 47789^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 682844439974 and 682844440001.

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, 12425067 + ... + 12479902.

Almost surely, 2^682844440042 is an apocalyptic number.

682844440042 is a deficient number, since it is larger than the sum of its proper divisors (341496976058).

682844440042 is a wasteful number, since it uses less digits than its factorization.

682844440042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24918680.

The product of its (nonzero) digits is 1572864, while the sum is 46.

The spelling of 682844440042 in words is "six hundred eighty-two billion, eight hundred forty-four million, four hundred forty thousand, forty-two".