5013605640 has 128 divisors (see below), whose sum is σ = 15496272000. Its totient is φ = 1296906240.

The previous prime is 5013605633. The next prime is 5013605687. The reversal of 5013605640 is 465063105.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 5013605598 and 5013605607.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 765580 + ... + 772100.

It is an arithmetic number, because the mean of its divisors is an integer number (121064625).

Almost surely, 2^5013605640 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 5013605640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7748136000).

5013605640 is an abundant number, since it is smaller than the sum of its proper divisors (10482666360).

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

5013605640 is a wasteful number, since it uses less digits than its factorization.

5013605640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6727 (or 6723 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 5013605640 is about 70806.8191631286. The cubic root of 5013605640 is about 1711.5255630999.

Adding to 5013605640 its reverse (465063105), we get a palindrome (5478668745).

The spelling of 5013605640 in words is "five billion, thirteen million, six hundred five thousand, six hundred forty".