5144726664 has 320 divisors, whose sum is σ = 18751011840. Its totient is φ = 1277907840.

The previous prime is 5144726659. The next prime is 5144726689. The reversal of 5144726664 is 4666274415.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1145367 + ... + 1149849.

It is an arithmetic number, because the mean of its divisors is an integer number (58596912).

Almost surely, 2^5144726664 is an apocalyptic number.

5144726664 is a gapful number since it is divisible by the number (54) 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 5144726664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9375505920).

5144726664 is an abundant number, since it is smaller than the sum of its proper divisors (13606285176).

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

5144726664 is a wasteful number, since it uses less digits than its factorization.

5144726664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4542 (or 4529 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The square root of 5144726664 is about 71726.7499891080. The cubic root of 5144726664 is about 1726.3178798553.

The spelling of 5144726664 in words is "five billion, one hundred forty-four million, seven hundred twenty-six thousand, six hundred sixty-four".