1682438840438 has 16 divisors (see below), whose sum is σ = 2672455425984. Its totient is φ = 791633205120.

The previous prime is 1682438840287. The next prime is 1682438840449. The reversal of 1682438840438 is 8340488342861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2943758 + ... + 3468513.

It is an arithmetic number, because the mean of its divisors is an integer number (167028464124).

Almost surely, 2^{1682438840438} is an apocalyptic number.

1682438840438 is a deficient number, since it is larger than the sum of its proper divisors (990016585546).

1682438840438 is a wasteful number, since it uses less digits than its factorization.

1682438840438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6420007.

The product of its (nonzero) digits is 28311552, while the sum is 59.

The spelling of 1682438840438 in words is "one trillion, six hundred eighty-two billion, four hundred thirty-eight million, eight hundred forty thousand, four hundred thirty-eight".