1856036378804 has 24 divisors (see below), whose sum is σ = 3279855983040. Its totient is φ = 918936085824.

The previous prime is 1856036378797. The next prime is 1856036378813. The reversal of 1856036378804 is 4088736306581.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5275832 + ... + 5616624.

It is an arithmetic number, because the mean of its divisors is an integer number (136660665960).

Almost surely, 2^{1856036378804} is an apocalyptic number.

It is an amenable number.

1856036378804 is a deficient number, since it is larger than the sum of its proper divisors (1423819604236).

1856036378804 is a wasteful number, since it uses less digits than its factorization.

1856036378804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354119 (or 354117 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 59.

The spelling of 1856036378804 in words is "one trillion, eight hundred fifty-six billion, thirty-six million, three hundred seventy-eight thousand, eight hundred four".