42289088 has 28 divisors (see below), whose sum is σ = 87569040. Its totient is φ = 20224512.

The previous prime is 42289073. The next prime is 42289097. The reversal of 42289088 is 88098224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12893 + ... + 15836.

Almost surely, 2^42289088 is an apocalyptic number.

It is an amenable number.

42289088 is an abundant number, since it is smaller than the sum of its proper divisors (45279952).

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

42289088 is a wasteful number, since it uses less digits than its factorization.

42289088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28764 (or 28754 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 42289088 is about 6503.0060741168. The cubic root of 42289088 is about 348.3983635573.

The spelling of 42289088 in words is "forty-two million, two hundred eighty-nine thousand, eighty-eight".