1928122080 has 96 divisors (see below), whose sum is σ = 6105673728. Its totient is φ = 511449600.

The previous prime is 1928122003. The next prime is 1928122081. The reversal of 1928122080 is 802218291.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1928122081) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 81165 + ... + 102195.

It is an arithmetic number, because the mean of its divisors is an integer number (63600768).

Almost surely, 2^1928122080 is an apocalyptic number.

1928122080 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 1928122080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3052836864).

1928122080 is an abundant number, since it is smaller than the sum of its proper divisors (4177551648).

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

1928122080 is a wasteful number, since it uses less digits than its factorization.

1928122080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21240 (or 21232 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 1928122080 is about 43910.3869261021. The cubic root of 1928122080 is about 1244.6431195932.

The spelling of 1928122080 in words is "one billion, nine hundred twenty-eight million, one hundred twenty-two thousand, eighty".