5121529344 has 640 divisors, whose sum is σ = 17913139200. Its totient is φ = 1433272320.

The previous prime is 5121529333. The next prime is 5121529349. The reversal of 5121529344 is 4439251215.

5121529344 is a `hidden beast` number, since 5 + 121 + 529 + 3 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5121529299 and 5121529308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5121529349) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 138419694 + ... + 138419730.

It is an arithmetic number, because the mean of its divisors is an integer number (27989280).

Almost surely, 2^5121529344 is an apocalyptic number.

5121529344 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 5121529344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8956569600).

5121529344 is an abundant number, since it is smaller than the sum of its proper divisors (12791609856).

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

5121529344 is a wasteful number, since it uses less digits than its factorization.

5121529344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 109 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 5121529344 is about 71564.8610981674. The cubic root of 5121529344 is about 1723.7193428464.

The spelling of 5121529344 in words is "five billion, one hundred twenty-one million, five hundred twenty-nine thousand, three hundred forty-four".