1999474818404 has 24 divisors (see below), whose sum is σ = 3999013834368. Its totient is φ = 856904022720.

The previous prime is 1999474818353. The next prime is 1999474818433. The reversal of 1999474818404 is 4048184749991.

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 7 ways as a sum of consecutive naturals, for example, 1310744 + ... + 2391024.

It is an arithmetic number, because the mean of its divisors is an integer number (166625576432).

Almost surely, 2^{1999474818404} is an apocalyptic number.

1999474818404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1999474818404 is an abundant number, since it is smaller than the sum of its proper divisors (1999539015964).

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

1999474818404 is a wasteful number, since it uses less digits than its factorization.

1999474818404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146395 (or 1146393 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 68.

The spelling of 1999474818404 in words is "one trillion, nine hundred ninety-nine billion, four hundred seventy-four million, eight hundred eighteen thousand, four hundred four".