528417640 has 32 divisors (see below), whose sum is σ = 1240634880. Its totient is φ = 202176832.

The previous prime is 528417611. The next prime is 528417641. The reversal of 528417640 is 46714825.

It is a self number, because there is not a number n which added to its sum of digits gives 528417640.

It is not an unprimeable number, because it can be changed into a prime (528417641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286264 + ... + 288103.

It is an arithmetic number, because the mean of its divisors is an integer number (38769840).

Almost surely, 2^528417640 is an apocalyptic number.

It is an amenable number.

528417640 is an abundant number, since it is smaller than the sum of its proper divisors (712217240).

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

528417640 is a wasteful number, since it uses less digits than its factorization.

528417640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574401 (or 574397 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 528417640 is about 22987.3365138287. The cubic root of 528417640 is about 808.4610519368.

The spelling of 528417640 in words is "five hundred twenty-eight million, four hundred seventeen thousand, six hundred forty".