1889225509080 has 512 divisors, whose sum is σ = 7112606054400. Its totient is φ = 390853361664.

The previous prime is 1889225509027. The next prime is 1889225509091. The reversal of 1889225509080 is 809055229881.

It is a Cunningham number, because it is equal to 1374491²-1.

It is a self number, because there is not a number n which added to its sum of digits gives 1889225509080.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 115448979 + ... + 115465341.

It is an arithmetic number, because the mean of its divisors is an integer number (13891808700).

Almost surely, 2^{1889225509080} is an apocalyptic number.

1889225509080 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 1889225509080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3556303027200).

1889225509080 is an abundant number, since it is smaller than the sum of its proper divisors (5223380545320).

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

1889225509080 is a wasteful number, since it uses less digits than its factorization.

1889225509080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16603 (or 16599 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 57.

The spelling of 1889225509080 in words is "one trillion, eight hundred eighty-nine billion, two hundred twenty-five million, five hundred nine thousand, eighty".