5187640744 has 96 divisors (see below), whose sum is σ = 11782884960. Its totient is φ = 2125791360.

The previous prime is 5187640721. The next prime is 5187640747. The reversal of 5187640744 is 4470467815.

It is a junction number, because it is equal to n+sod(n) for n = 5187640694 and 5187640703.

It is not an unprimeable number, because it can be changed into a prime (5187640747) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 536319 + ... + 545905.

It is an arithmetic number, because the mean of its divisors is an integer number (122738385).

Almost surely, 2^5187640744 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 5187640744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5891442480).

5187640744 is an abundant number, since it is smaller than the sum of its proper divisors (6595244216).

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

5187640744 is a wasteful number, since it uses less digits than its factorization.

5187640744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9671 (or 9656 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 46.

The square root of 5187640744 is about 72025.2785069242. The cubic root of 5187640744 is about 1731.1045486216.

The spelling of 5187640744 in words is "five billion, one hundred eighty-seven million, six hundred forty thousand, seven hundred forty-four".