1928768512 has 44 divisors (see below), whose sum is σ = 4206191976. Its totient is φ = 876707840.

The previous prime is 1928768503. The next prime is 1928768533. The reversal of 1928768512 is 2158678291.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (44).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74353 + ... + 96880.

Almost surely, 2^1928768512 is an apocalyptic number.

It is an amenable number.

1928768512 is an abundant number, since it is smaller than the sum of its proper divisors (2277423464).

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

1928768512 is a wasteful number, since it uses less digits than its factorization.

1928768512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171264 (or 171246 counting only the distinct ones).

The product of its digits is 483840, while the sum is 49.

The square root of 1928768512 is about 43917.7471189040. The cubic root of 1928768512 is about 1244.7821991758.

The spelling of 1928768512 in words is "one billion, nine hundred twenty-eight million, seven hundred sixty-eight thousand, five hundred twelve".