5256689472 has 42 divisors (see below), whose sum is σ = 15067352898. Its totient is φ = 1752229632.

The previous prime is 5256689411. The next prime is 5256689507. The reversal of 5256689472 is 2749866525.

5256689472 is a `hidden beast` number, since 5 + 2 + 566 + 8 + 9 + 4 + 72 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4390917696 + 865771776 = 66264^2 + 29424^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4562523 + ... + 4563674.

Almost surely, 2^5256689472 is an apocalyptic number.

It is an amenable number.

5256689472 is an abundant number, since it is smaller than the sum of its proper divisors (9810663426).

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

5256689472 is a wasteful number, since it uses less digits than its factorization.

5256689472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9126215 (or 9126202 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The square root of 5256689472 is about 72503.0307780302. The cubic root of 5256689472 is about 1738.7511927220.

The spelling of 5256689472 in words is "five billion, two hundred fifty-six million, six hundred eighty-nine thousand, four hundred seventy-two".