5259538944 has 180 divisors, whose sum is σ = 16686547878. Its totient is φ = 1593630720.

The previous prime is 5259538939. The next prime is 5259538987. The reversal of 5259538944 is 4498359525.

5259538944 is a `hidden beast` number, since 5 + 2 + 595 + 3 + 8 + 9 + 44 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4081676544 + 1177862400 = 63888^2 + 34320^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 552852 + ... + 562284.

Almost surely, 2^5259538944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5259538944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8343273939).

5259538944 is an abundant number, since it is smaller than the sum of its proper divisors (11427008934).

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

5259538944 is a wasteful number, since it uses less digits than its factorization.

5259538944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9479 (or 9449 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 54.

The square root of 5259538944 is about 72522.6788253164. The cubic root of 5259538944 is about 1739.0653085363.

The spelling of 5259538944 in words is "five billion, two hundred fifty-nine million, five hundred thirty-eight thousand, nine hundred forty-four".