42685115 has 16 divisors (see below), whose sum is σ = 58821120. Its totient is φ = 29409120.

The previous prime is 42685067. The next prime is 42685169. The reversal of 42685115 is 51158624.

It is not a de Polignac number, because 42685115 - 2¹⁰ = 42684091 is a prime.

It is a super-3 number, since 3×42685115³ (a number of 24 digits) contains 333 as substring.

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, 19379 + ... + 21468.

It is an arithmetic number, because the mean of its divisors is an integer number (3676320).

Almost surely, 2^42685115 is an apocalyptic number.

42685115 is a deficient number, since it is larger than the sum of its proper divisors (16136005).

42685115 is a wasteful number, since it uses less digits than its factorization.

42685115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40882.

The product of its digits is 9600, while the sum is 32.

The square root of 42685115 is about 6533.3846511590. The cubic root of 42685115 is about 349.4825414614.

The spelling of 42685115 in words is "forty-two million, six hundred eighty-five thousand, one hundred fifteen".