528440230 has 8 divisors (see below), whose sum is σ = 951192432. Its totient is φ = 211376088.

The previous prime is 528440221. The next prime is 528440261. The reversal of 528440230 is 32044825.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 26422002 + ... + 26422021.

It is an arithmetic number, because the mean of its divisors is an integer number (118899054).

Almost surely, 2^528440230 is an apocalyptic number.

528440230 is a deficient number, since it is larger than the sum of its proper divisors (422752202).

528440230 is a wasteful number, since it uses less digits than its factorization.

528440230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52844030.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 528440230 is about 22987.8278660686. The cubic root of 528440230 is about 808.4725724170.

The spelling of 528440230 in words is "five hundred twenty-eight million, four hundred forty thousand, two hundred thirty".