5278426560 has 784 divisors, whose sum is σ = 21947684832. Its totient is φ = 1204346880.

The previous prime is 5278426529. The next prime is 5278426579. The reversal of 5278426560 is 656248725.

5278426560 is a `hidden beast` number, since 5 + 2 + 7 + 84 + 2 + 6 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 310495672 + ... + 310495688.

Almost surely, 2^5278426560 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 5278426560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10973842416).

5278426560 is an abundant number, since it is smaller than the sum of its proper divisors (16669258272).

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

5278426560 is an equidigital number, since it uses as much as digits as its factorization.

5278426560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 38 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The square root of 5278426560 is about 72652.7808139510. The cubic root of 5278426560 is about 1741.1445501746.

The spelling of 5278426560 in words is "five billion, two hundred seventy-eight million, four hundred twenty-six thousand, five hundred sixty".