5257507280 has 40 divisors (see below), whose sum is σ = 12342400512. Its totient is φ = 2082582144.

The previous prime is 5257507249. The next prime is 5257507301. The reversal of 5257507280 is 827057525.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310784 + ... + 327263.

Almost surely, 2^5257507280 is an apocalyptic number.

It is an amenable number.

5257507280 is an abundant number, since it is smaller than the sum of its proper divisors (7084893232).

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

5257507280 is a wasteful number, since it uses less digits than its factorization.

5257507280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638163 (or 638157 counting only the distinct ones).

The product of its (nonzero) digits is 196000, while the sum is 41.

The square root of 5257507280 is about 72508.6703781003. The cubic root of 5257507280 is about 1738.8413566238.

The spelling of 5257507280 in words is "five billion, two hundred fifty-seven million, five hundred seven thousand, two hundred eighty".