5240000000 has 160 divisors (see below), whose sum is σ = 13187075616. Its totient is φ = 2080000000.

The previous prime is 5239999991. The next prime is 5240000009. The reversal of 5240000000 is 425.

It is an interprime number because it is at equal distance from previous prime (5239999991) and next prime (5240000009).

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5240000009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39999935 + ... + 40000065.

Almost surely, 2^5240000000 is an apocalyptic number.

5240000000 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 5240000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6593537808).

5240000000 is an abundant number, since it is smaller than the sum of its proper divisors (7947075616).

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

5240000000 is an frugal number, since it uses more digits than its factorization.

5240000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 11.

The square root of 5240000000 is about 72387.8442834154. The cubic root of 5240000000 is about 1736.9091205434.

Adding to 5240000000 its reverse (425), we get a palindrome (5240000425).

The spelling of 5240000000 in words is "five billion, two hundred forty million", and thus it is an aban number.