5251608320 has 432 divisors, whose sum is σ = 15725783808. Its totient is φ = 1672151040.

The previous prime is 5251608319. The next prime is 5251608343. The reversal of 5251608320 is 238061525.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71939804 + ... + 71939876.

Almost surely, 2^5251608320 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 5251608320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7862891904).

5251608320 is an abundant number, since it is smaller than the sum of its proper divisors (10474175488).

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

5251608320 is a wasteful number, since it uses less digits than its factorization.

5251608320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 5251608320 is about 72467.9813434871. The cubic root of 5251608320 is about 1738.1907825190.

Adding to 5251608320 its reverse (238061525), we get a palindrome (5489669845).

The spelling of 5251608320 in words is "five billion, two hundred fifty-one million, six hundred eight thousand, three hundred twenty".