5120000000 has 136 divisors (see below), whose sum is σ = 12799869576. Its totient is φ = 2048000000.

The previous prime is 5119999991. The next prime is 5120000063. The reversal of 5120000000 is 215.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 4 ways, for example, as 5064884224 + 55115776 = 71168^2 + 7424^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1023999998 + ... + 1024000002.

Almost surely, 2^5120000000 is an apocalyptic number.

5120000000 is a gapful number since it is divisible by the number (50) 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 5120000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6399934788).

5120000000 is an abundant number, since it is smaller than the sum of its proper divisors (7679869576).

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

5120000000 is an frugal number, since it uses more digits than its factorization.

5120000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67 (or 7 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 8.

The square root of 5120000000 is about 71554.1752799933. The cubic root of 5120000000 is about 1723.5477520255.

5120000000 divided by its product of nonzero digits (10) gives a cube (512000000 = 800³).

Adding to 5120000000 its reverse (215), we get a palindrome (5120000215).

The spelling of 5120000000 in words is "five billion, one hundred twenty million", and thus it is an aban number.