42818085 has 16 divisors (see below), whose sum is σ = 76121280. Its totient is φ = 22836240.

The previous prime is 42818059. The next prime is 42818093. The reversal of 42818085 is 58081824.

It is not a de Polignac number, because 42818085 - 2⁶ = 42818021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158451 + ... + 158720.

It is an arithmetic number, because the mean of its divisors is an integer number (4757580).

Almost surely, 2^42818085 is an apocalyptic number.

42818085 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42818085 is a deficient number, since it is larger than the sum of its proper divisors (33303195).

42818085 is a wasteful number, since it uses less digits than its factorization.

42818085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317185 (or 317179 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 42818085 is about 6543.5529339954. The cubic root of 42818085 is about 349.8450606727.

The spelling of 42818085 in words is "forty-two million, eight hundred eighteen thousand, eighty-five".