1889052672 has 192 divisors, whose sum is σ = 5520191040. Its totient is φ = 570949632.

The previous prime is 1889052647. The next prime is 1889052677. The reversal of 1889052672 is 2762509881.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1889052677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5351248 + ... + 5351600.

It is an arithmetic number, because the mean of its divisors is an integer number (28750995).

Almost surely, 2^1889052672 is an apocalyptic number.

1889052672 is a gapful number since it is divisible by the number (12) 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 1889052672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2760095520).

1889052672 is an abundant number, since it is smaller than the sum of its proper divisors (3631138368).

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

1889052672 is a wasteful number, since it uses less digits than its factorization.

1889052672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 1889052672 is about 43463.2335658543. The cubic root of 1889052672 is about 1236.1789835168.

The spelling of 1889052672 in words is "one billion, eight hundred eighty-nine million, fifty-two thousand, six hundred seventy-two".