528140770 has 16 divisors (see below), whose sum is σ = 952246008. Its totient is φ = 210902400.

The previous prime is 528140761. The next prime is 528140773. The reversal of 528140770 is 77041825.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 521985409 + 6155361 = 22847^2 + 2481^2 .

It is not an unprimeable number, because it can be changed into a prime (528140773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37929 + ... + 49948.

Almost surely, 2^528140770 is an apocalyptic number.

528140770 is a deficient number, since it is larger than the sum of its proper divisors (424105238).

528140770 is a wasteful number, since it uses less digits than its factorization.

528140770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88485.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 528140770 is about 22981.3134959688. The cubic root of 528140770 is about 808.3198267013.

The spelling of 528140770 in words is "five hundred twenty-eight million, one hundred forty thousand, seven hundred seventy".