1638050412804 has 24 divisors (see below), whose sum is σ = 4116126678720. Its totient is φ = 504015511584.

The previous prime is 1638050412769. The next prime is 1638050412847. The reversal of 1638050412804 is 4082140508361.

It is a happy 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, 5250161424 + ... + 5250161735.

It is an arithmetic number, because the mean of its divisors is an integer number (171505278280).

Almost surely, 2^{1638050412804} is an apocalyptic number.

It is an amenable number.

1638050412804 is an abundant number, since it is smaller than the sum of its proper divisors (2478076265916).

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

1638050412804 is a wasteful number, since it uses less digits than its factorization.

1638050412804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10500323179 (or 10500323177 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 1638050412804 in words is "one trillion, six hundred thirty-eight billion, fifty million, four hundred twelve thousand, eight hundred four".