5144335616 has 144 divisors (see below), whose sum is σ = 12145676928. Its totient is φ = 2128896000.

The previous prime is 5144335597. The next prime is 5144335619. The reversal of 5144335616 is 6165334415.

It is a self number, because there is not a number n which added to its sum of digits gives 5144335616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5144335619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7782326 + ... + 7782986.

Almost surely, 2^5144335616 is an apocalyptic number.

5144335616 is a gapful number since it is divisible by the number (56) 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 5144335616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6072838464).

5144335616 is an abundant number, since it is smaller than the sum of its proper divisors (7001341312).

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

5144335616 is a wasteful number, since it uses less digits than its factorization.

5144335616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828 (or 814 counting only the distinct ones).

The product of its digits is 129600, while the sum is 38.

The square root of 5144335616 is about 71724.0239808113. The cubic root of 5144335616 is about 1726.2741399054.

The spelling of 5144335616 in words is "five billion, one hundred forty-four million, three hundred thirty-five thousand, six hundred sixteen".