5245240000 has 560 divisors, whose sum is σ = 17596567296. Its totient is φ = 1497600000.

The previous prime is 5245239977. The next prime is 5245240031. The reversal of 5245240000 is 425425.

It is a tau number, because it is divible by the number of its divisors (560).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 40039935 + ... + 40040065.

Almost surely, 2^5245240000 is an apocalyptic number.

5245240000 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 5245240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8798283648).

5245240000 is an abundant number, since it is smaller than the sum of its proper divisors (12351327296).

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

5245240000 is a wasteful number, since it uses less digits than its factorization.

5245240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 5245240000 is about 72424.0291615980. The cubic root of 5245240000 is about 1737.4878973675.

Adding to 5245240000 its reverse (425425), we get a palindrome (5245665425).

It can be divided in two parts, 524 and 5240000, that multiplied together give a square (2745760000 = 52400²).

The spelling of 5245240000 in words is "five billion, two hundred forty-five million, two hundred forty thousand".