5255750640 has 160 divisors (see below), whose sum is σ = 19074779136. Its totient is φ = 1171998720.

The previous prime is 5255750623. The next prime is 5255750641. The reversal of 5255750640 is 460575525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5255750641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30729 + ... + 107031.

Almost surely, 2^5255750640 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 5255750640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9537389568).

5255750640 is an abundant number, since it is smaller than the sum of its proper divisors (13819028496).

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

5255750640 is a wasteful number, since it uses less digits than its factorization.

5255750640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76367 (or 76361 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 39.

The square root of 5255750640 is about 72496.5560561328. The cubic root of 5255750640 is about 1738.6476743093.

The spelling of 5255750640 in words is "five billion, two hundred fifty-five million, seven hundred fifty thousand, six hundred forty".