528642432 has 48 divisors (see below), whose sum is σ = 1521226980. Its totient is φ = 176213760.

The previous prime is 528642431. The next prime is 528642449. The reversal of 528642432 is 234246825.

528642432 is a `hidden beast` number, since 5 + 2 + 8 + 642 + 4 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528642431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 228294 + ... + 230597.

Almost surely, 2^528642432 is an apocalyptic number.

It is an amenable number.

528642432 is an abundant number, since it is smaller than the sum of its proper divisors (992584548).

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

528642432 is a wasteful number, since it uses less digits than its factorization.

528642432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458911 (or 458896 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 528642432 is about 22992.2254686231. The cubic root of 528642432 is about 808.5756770607.

The spelling of 528642432 in words is "five hundred twenty-eight million, six hundred forty-two thousand, four hundred thirty-two".