528426820 has 48 divisors (see below), whose sum is σ = 1126984320. Its totient is φ = 208099584.

The previous prime is 528426797. The next prime is 528426823. The reversal of 528426820 is 28624825.

It is a self number, because there is not a number n which added to its sum of digits gives 528426820.

It is not an unprimeable number, because it can be changed into a prime (528426823) 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, 545977 + ... + 546943.

It is an arithmetic number, because the mean of its divisors is an integer number (23478840).

Almost surely, 2^528426820 is an apocalyptic number.

It is an amenable number.

528426820 is an abundant number, since it is smaller than the sum of its proper divisors (598557500).

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

528426820 is a wasteful number, since it uses less digits than its factorization.

528426820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372 (or 1370 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 528426820 is about 22987.5361881172. The cubic root of 528426820 is about 808.4657336058.

The spelling of 528426820 in words is "five hundred twenty-eight million, four hundred twenty-six thousand, eight hundred twenty".