5278025520 has 120 divisors (see below), whose sum is σ = 18336661200. Its totient is φ = 1358934528.

The previous prime is 5278025503. The next prime is 5278025531. The reversal of 5278025520 is 255208725.

5278025520 is a `hidden beast` number, since 5 + 27 + 80 + 2 + 552 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105510 + ... + 147269.

It is an arithmetic number, because the mean of its divisors is an integer number (152805510).

Almost surely, 2^5278025520 is an apocalyptic number.

It is an amenable number.

5278025520 is an abundant number, since it is smaller than the sum of its proper divisors (13058635680).

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

5278025520 is a wasteful number, since it uses less digits than its factorization.

5278025520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252827 (or 252818 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 5278025520 is about 72650.0207845806. The cubic root of 5278025520 is about 1741.1004533030.

The spelling of 5278025520 in words is "five billion, two hundred seventy-eight million, twenty-five thousand, five hundred twenty".