42589116 has 18 divisors (see below), whose sum is σ = 107655912. Its totient is φ = 14196360.

The previous prime is 42589093. The next prime is 42589121. The reversal of 42589116 is 61198524.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×42589116² = 3627665603322912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1183031 = 42589116 / (4 + 2 + 5 + 8 + 9 + 1 + 1 + 6).

It is a congruent number.

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, 591480 + ... + 591551.

It is an arithmetic number, because the mean of its divisors is an integer number (5980884).

Almost surely, 2^42589116 is an apocalyptic number.

It is an amenable number.

42589116 is an abundant number, since it is smaller than the sum of its proper divisors (65066796).

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

42589116 is a wasteful number, since it uses less digits than its factorization.

42589116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183041 (or 1183036 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 42589116 is about 6526.0337112215. The cubic root of 42589116 is about 349.2203489124.

The spelling of 42589116 in words is "forty-two million, five hundred eighty-nine thousand, one hundred sixteen".