5260545440 has 48 divisors (see below), whose sum is σ = 12470566248. Its totient is φ = 2097017856.

The previous prime is 5260545427. The next prime is 5260545449. The reversal of 5260545440 is 445450625.

It can be written as a sum of positive squares in 4 ways, for example, as 4887128464 + 373416976 = 69908^2 + 19324^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5260545440.

It is not an unprimeable number, because it can be changed into a prime (5260545449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9227 + ... + 102986.

Almost surely, 2^5260545440 is an apocalyptic number.

It is an amenable number.

5260545440 is an abundant number, since it is smaller than the sum of its proper divisors (7210020808).

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

5260545440 is a wasteful number, since it uses less digits than its factorization.

5260545440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112521 (or 112513 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The square root of 5260545440 is about 72529.6176744370. The cubic root of 5260545440 is about 1739.1762340156.

The spelling of 5260545440 in words is "five billion, two hundred sixty million, five hundred forty-five thousand, four hundred forty".