5251746528 has 288 divisors, whose sum is σ = 18096099840. Its totient is φ = 1411292160.

The previous prime is 5251746523. The next prime is 5251746541. The reversal of 5251746528 is 8256471525.

5251746528 is a `hidden beast` number, since 5 + 2 + 51 + 74 + 6 + 528 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5251746523) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6396358 + ... + 6397178.

It is an arithmetic number, because the mean of its divisors is an integer number (62833680).

Almost surely, 2^5251746528 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 5251746528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9048049920).

5251746528 is an abundant number, since it is smaller than the sum of its proper divisors (12844353312).

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

5251746528 is a wasteful number, since it uses less digits than its factorization.

5251746528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030 (or 1019 counting only the distinct ones).

The product of its digits is 672000, while the sum is 45.

The square root of 5251746528 is about 72468.9349169698. The cubic root of 5251746528 is about 1738.2060305313.

The spelling of 5251746528 in words is "five billion, two hundred fifty-one million, seven hundred forty-six thousand, five hundred twenty-eight".