1889990069760 has 480 divisors, whose sum is σ = 7054685846208. Its totient is φ = 464857989120.

The previous prime is 1889990069753. The next prime is 1889990069777. The reversal of 1889990069760 is 679600999881.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (72).

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 47 ways as a sum of consecutive naturals, for example, 749697300 + ... + 749699820.

Almost surely, 2^{1889990069760} is an apocalyptic number.

1889990069760 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 1889990069760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3527342923104).

1889990069760 is an abundant number, since it is smaller than the sum of its proper divisors (5164695776448).

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

1889990069760 is a wasteful number, since it uses less digits than its factorization.

1889990069760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5066 (or 5047 counting only the distinct ones).

The product of its (nonzero) digits is 105815808, while the sum is 72.

The spelling of 1889990069760 in words is "one trillion, eight hundred eighty-nine billion, nine hundred ninety million, sixty-nine thousand, seven hundred sixty".