1968895944 has 32 divisors (see below), whose sum is σ = 5469156000. Its totient is φ = 656298576.

The previous prime is 1968895931. The next prime is 1968895961. The reversal of 1968895944 is 4495988691.

It is a super-2 number, since 2×1968895944² = 7753102476599302272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4557414 + ... + 4557845.

It is an arithmetic number, because the mean of its divisors is an integer number (170911125).

Almost surely, 2^1968895944 is an apocalyptic number.

It is an amenable number.

1968895944 is an abundant number, since it is smaller than the sum of its proper divisors (3500260056).

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

1968895944 is a wasteful number, since it uses less digits than its factorization.

1968895944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9115274 (or 9115264 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 63.

The square root of 1968895944 is about 44372.2429453369. The cubic root of 1968895944 is about 1253.3554527433.

The spelling of 1968895944 in words is "one billion, nine hundred sixty-eight million, eight hundred ninety-five thousand, nine hundred forty-four".