42659658 has 48 divisors (see below), whose sum is σ = 96595200. Its totient is φ = 13590720.

The previous prime is 42659629. The next prime is 42659671. The reversal of 42659658 is 85695624.

42659658 is a `hidden beast` number, since 4 + 2 + 6 + 596 + 58 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49233 + ... + 50091.

It is an arithmetic number, because the mean of its divisors is an integer number (2012400).

Almost surely, 2^42659658 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42659658, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48297600).

42659658 is an abundant number, since it is smaller than the sum of its proper divisors (53935542).

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

42659658 is a wasteful number, since it uses less digits than its factorization.

42659658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987 (or 984 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 42659658 is about 6531.4361361036. The cubic root of 42659658 is about 349.4130516146.

The spelling of 42659658 in words is "forty-two million, six hundred fifty-nine thousand, six hundred fifty-eight".