5260455840 has 96 divisors (see below), whose sum is σ = 16583688576. Its totient is φ = 1401666560.

The previous prime is 5260455829. The next prime is 5260455857. The reversal of 5260455840 is 485540625.

It is a Cunningham number, because it is equal to 72529²-1.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 721654 + ... + 728906.

It is an arithmetic number, because the mean of its divisors is an integer number (172746756).

Almost surely, 2^5260455840 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 5260455840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8291844288).

5260455840 is an abundant number, since it is smaller than the sum of its proper divisors (11323232736).

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

5260455840 is a wasteful number, since it uses less digits than its factorization.

5260455840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8782 (or 8774 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 39.

The square root of 5260455840 is about 72528.9999931062. Note that the first 5 decimals coincide. The cubic root of 5260455840 is about 1739.1663598130.

The spelling of 5260455840 in words is "five billion, two hundred sixty million, four hundred fifty-five thousand, eight hundred forty".