42088028 has 6 divisors (see below), whose sum is σ = 73654056. Its totient is φ = 21044012.

The previous prime is 42088027. The next prime is 42088031. The reversal of 42088028 is 82088024.

It is a junction number, because it is equal to n+sod(n) for n = 42087985 and 42088003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42088027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5261000 + ... + 5261007.

It is an arithmetic number, because the mean of its divisors is an integer number (12275676).

Almost surely, 2^42088028 is an apocalyptic number.

It is an amenable number.

42088028 is a deficient number, since it is larger than the sum of its proper divisors (31566028).

42088028 is a wasteful number, since it uses less digits than its factorization.

42088028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10522011 (or 10522009 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 32.

The square root of 42088028 is about 6487.5286511891. The cubic root of 42088028 is about 347.8453423842.

The spelling of 42088028 in words is "forty-two million, eighty-eight thousand, twenty-eight".