1968048128 has 24 divisors (see below), whose sum is σ = 3935139390. Its totient is φ = 984023040.

The previous prime is 1968048127. The next prime is 1968048133. The reversal of 1968048128 is 8218408691.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1869005824 + 99042304 = 43232^2 + 9952^2 .

It is not an unprimeable number, because it can be changed into a prime (1968048127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 478433 + ... + 482528.

Almost surely, 2^1968048128 is an apocalyptic number.

It is an amenable number.

1968048128 is a deficient number, since it is larger than the sum of its proper divisors (1967091262).

1968048128 is an frugal number, since it uses more digits than its factorization.

1968048128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960983 (or 960963 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 47.

The square root of 1968048128 is about 44362.6884667735. The cubic root of 1968048128 is about 1253.1755266331.

The spelling of 1968048128 in words is "one billion, nine hundred sixty-eight million, forty-eight thousand, one hundred twenty-eight".