5157647250 has 128 divisors (see below), whose sum is σ = 14962821120. Its totient is φ = 1158840000.

The previous prime is 5157647219. The next prime is 5157647263. The reversal of 5157647250 is 527467515.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 301425 + ... + 318075.

It is an arithmetic number, because the mean of its divisors is an integer number (116897040).

Almost surely, 2^5157647250 is an apocalyptic number.

5157647250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5157647250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7481410560).

5157647250 is an abundant number, since it is smaller than the sum of its proper divisors (9805173870).

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

5157647250 is a wasteful number, since it uses less digits than its factorization.

5157647250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16737 (or 16727 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 42.

The square root of 5157647250 is about 71816.7616228969. The cubic root of 5157647250 is about 1727.7618433303.

The spelling of 5157647250 in words is "five billion, one hundred fifty-seven million, six hundred forty-seven thousand, two hundred fifty".