528045257272 has 64 divisors (see below), whose sum is σ = 1073281809600. Its totient is φ = 242107729920.

The previous prime is 528045257227. The next prime is 528045257279. The reversal of 528045257272 is 272752540825.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528045257279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18188304 + ... + 18217312.

It is an arithmetic number, because the mean of its divisors is an integer number (16770028275).

Almost surely, 2^528045257272 is an apocalyptic number.

528045257272 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 528045257272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536640904800).

528045257272 is an abundant number, since it is smaller than the sum of its proper divisors (545236552328).

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

528045257272 is a wasteful number, since it uses less digits than its factorization.

528045257272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30176 (or 30172 counting only the distinct ones).

The product of its (nonzero) digits is 3136000, while the sum is 49.

The spelling of 528045257272 in words is "five hundred twenty-eight billion, forty-five million, two hundred fifty-seven thousand, two hundred seventy-two".