528301040 has 20 divisors (see below), whose sum is σ = 1228300104. Its totient is φ = 211320384.

The previous prime is 528301013. The next prime is 528301069. The reversal of 528301040 is 40103825.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 528300997 and 528301015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3301802 + ... + 3301961.

Almost surely, 2^528301040 is an apocalyptic number.

It is an amenable number.

528301040 is an abundant number, since it is smaller than the sum of its proper divisors (699999064).

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

528301040 is a wasteful number, since it uses less digits than its factorization.

528301040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6603776 (or 6603770 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 528301040 is about 22984.8001949114. The cubic root of 528301040 is about 808.4015828818.

Adding to 528301040 its reverse (40103825), we get a palindrome (568404865).

The spelling of 528301040 in words is "five hundred twenty-eight million, three hundred one thousand, forty".