1820004675504 has 80 divisors (see below), whose sum is σ = 4865077008000. Its totient is φ = 585901628928.

The previous prime is 1820004675487. The next prime is 1820004675523. The reversal of 1820004675504 is 4055764000281.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4770154 + ... + 5137545.

It is an arithmetic number, because the mean of its divisors is an integer number (60813462600).

Almost surely, 2^{1820004675504} is an apocalyptic number.

It is an amenable number.

1820004675504 is an abundant number, since it is smaller than the sum of its proper divisors (3045072332496).

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

1820004675504 is a wasteful number, since it uses less digits than its factorization.

1820004675504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9907842 (or 9907836 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

Adding to 1820004675504 its reverse (4055764000281), we get a palindrome (5875768675785).

The spelling of 1820004675504 in words is "one trillion, eight hundred twenty billion, four million, six hundred seventy-five thousand, five hundred four".