42685335 has 96 divisors (see below), whose sum is σ = 93929472. Its totient is φ = 17418240.

The previous prime is 42685333. The next prime is 42685337. The reversal of 42685335 is 53358624.

42685335 = T₁₅₃ + T₁₅₄ + ... + T₆₃₇.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42685333) and next prime (42685337).

It is not a de Polignac number, because 42685335 - 2¹ = 42685333 is a prime.

It is a super-3 number, since 3×42685335³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42685335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42685333) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 336042 + ... + 336168.

It is an arithmetic number, because the mean of its divisors is an integer number (978432).

Almost surely, 2^42685335 is an apocalyptic number.

42685335 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42685335 is an abundant number, since it is smaller than the sum of its proper divisors (51244137).

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

42685335 is a wasteful number, since it uses less digits than its factorization.

42685335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 250 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 42685335 is about 6533.4014877398. The cubic root of 42685335 is about 349.4831418738.

Subtracting 42685335 from its reverse (53358624), we obtain a square (10673289 = 3267²).

The spelling of 42685335 in words is "forty-two million, six hundred eighty-five thousand, three hundred thirty-five".