5251899744 has 576 divisors, whose sum is σ = 19813248000. Its totient is φ = 1280987136.

The previous prime is 5251899733. The next prime is 5251899761. The reversal of 5251899744 is 4479981525.

It is a happy number.

5251899744 is a `hidden beast` number, since 52 + 518 + 9 + 9 + 74 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 26391357 + ... + 26391555.

It is an arithmetic number, because the mean of its divisors is an integer number (34398000).

Almost surely, 2^5251899744 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 5251899744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9906624000).

5251899744 is an abundant number, since it is smaller than the sum of its proper divisors (14561348256).

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

5251899744 is a wasteful number, since it uses less digits than its factorization.

5251899744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 296 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The square root of 5251899744 is about 72469.9920242855. The cubic root of 5251899744 is about 1738.2229340118. Note that the first 3 decimals are identical.

The spelling of 5251899744 in words is "five billion, two hundred fifty-one million, eight hundred ninety-nine thousand, seven hundred forty-four".