42635836 has 12 divisors (see below), whose sum is σ = 77856912. Its totient is φ = 20391008.

The previous prime is 42635809. The next prime is 42635843. The reversal of 42635836 is 63853624.

It is a super-2 number, since 2×42635836² = 3635629022837792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42635795 and 42635804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231625 + ... + 231808.

It is an arithmetic number, because the mean of its divisors is an integer number (6488076).

Almost surely, 2^42635836 is an apocalyptic number.

42635836 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

42635836 is a deficient number, since it is larger than the sum of its proper divisors (35221076).

42635836 is a wasteful number, since it uses less digits than its factorization.

42635836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463460 (or 463458 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The square root of 42635836 is about 6529.6122396357. The cubic root of 42635836 is about 349.3479997759.

The spelling of 42635836 in words is "forty-two million, six hundred thirty-five thousand, eight hundred thirty-six".