42789528 has 24 divisors (see below), whose sum is σ = 115888500. Its totient is φ = 14263152.

The previous prime is 42789521. The next prime is 42789547. The reversal of 42789528 is 82598724.

42789528 is a `hidden beast` number, since 42 + 7 + 89 + 528 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42789521) 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, 297078 + ... + 297221.

Almost surely, 2^42789528 is an apocalyptic number.

It is an amenable number.

42789528 is an abundant number, since it is smaller than the sum of its proper divisors (73098972).

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

42789528 is a wasteful number, since it uses less digits than its factorization.

42789528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594311 (or 594304 counting only the distinct ones).

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

The square root of 42789528 is about 6541.3704986035. The cubic root of 42789528 is about 349.7672684093.

The spelling of 42789528 in words is "forty-two million, seven hundred eighty-nine thousand, five hundred twenty-eight".