528378540 has 48 divisors (see below), whose sum is σ = 1543788288. Its totient is φ = 134774464.

The previous prime is 528378509. The next prime is 528378541. The reversal of 528378540 is 45873825.

It is a junction number, because it is equal to n+sod(n) for n = 528378492 and 528378501.

It is not an unprimeable number, because it can be changed into a prime (528378541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190062 + ... + 192821.

It is an arithmetic number, because the mean of its divisors is an integer number (32162256).

Almost surely, 2^528378540 is an apocalyptic number.

It is an amenable number.

528378540 is an abundant number, since it is smaller than the sum of its proper divisors (1015409748).

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

528378540 is a wasteful number, since it uses less digits than its factorization.

528378540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382918 (or 382916 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The square root of 528378540 is about 22986.4860298394. The cubic root of 528378540 is about 808.4411108874.

It can be divided in two parts, 5283785 and 40, that added together give a palindrome (5283825).

The spelling of 528378540 in words is "five hundred twenty-eight million, three hundred seventy-eight thousand, five hundred forty".