42879528 has 24 divisors (see below), whose sum is σ = 116132250. Its totient is φ = 14293152.

The previous prime is 42879511. The next prime is 42879533. The reversal of 42879528 is 82597824.

42879528 is a `hidden beast` number, since 42 + 87 + 9 + 528 = 666.

It can be written as a sum of positive squares in only one way, i.e., 29615364 + 13264164 = 5442^2 + 3642^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 297703 + ... + 297846.

Almost surely, 2^42879528 is an apocalyptic number.

It is an amenable number.

42879528 is an abundant number, since it is smaller than the sum of its proper divisors (73252722).

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

42879528 is a wasteful number, since it uses less digits than its factorization.

42879528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595561 (or 595554 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 42879528 is about 6548.2461774127. The cubic root of 42879528 is about 350.0123206547.

The spelling of 42879528 in words is "forty-two million, eight hundred seventy-nine thousand, five hundred twenty-eight".