5468888644 has 24 divisors (see below), whose sum is σ = 10175607288. Its totient is φ = 2562908160.

The previous prime is 5468888611. The next prime is 5468888669. The reversal of 5468888644 is 4468888645.

It can be written as a sum of positive squares in 4 ways, for example, as 3954900544 + 1513988100 = 62888^2 + 38910^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150469 + ... + 183244.

It is an arithmetic number, because the mean of its divisors is an integer number (423983637).

Almost surely, 2^5468888644 is an apocalyptic number.

It is an amenable number.

5468888644 is a deficient number, since it is larger than the sum of its proper divisors (4706718644).

5468888644 is a wasteful number, since it uses less digits than its factorization.

5468888644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333975 (or 333973 counting only the distinct ones).

The product of its digits is 47185920, while the sum is 61.

The square root of 5468888644 is about 73951.9346873359. The cubic root of 5468888644 is about 1761.8395715104.

Subtracting from 5468888644 its reverse (4468888645), we obtain a palindrome (999999999).

The spelling of 5468888644 in words is "five billion, four hundred sixty-eight million, eight hundred eighty-eight thousand, six hundred forty-four".