1899204006000 has 640 divisors, whose sum is σ = 7205022849024. Its totient is φ = 421305753600.

The previous prime is 1899204005999. The next prime is 1899204006017. The reversal of 1899204006000 is 6004029981.

It is a self number, because there is not a number n which added to its sum of digits gives 1899204006000.

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 127 ways as a sum of consecutive naturals, for example, 725716692 + ... + 725719308.

Almost surely, 2^{1899204006000} is an apocalyptic number.

1899204006000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1899204006000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3602511424512).

1899204006000 is an abundant number, since it is smaller than the sum of its proper divisors (5305818843024).

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

1899204006000 is a wasteful number, since it uses less digits than its factorization.

1899204006000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3154 (or 3138 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The spelling of 1899204006000 in words is "one trillion, eight hundred ninety-nine billion, two hundred four million, six thousand".