42258836 has 12 divisors (see below), whose sum is σ = 74608212. Its totient is φ = 20942208.

The previous prime is 42258833. The next prime is 42258841. The reversal of 42258836 is 63885224.

It can be written as a sum of positive squares in 2 ways, for example, as 913936 + 41344900 = 956^2 + 6430^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42258836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42258833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46295 + ... + 47198.

It is an arithmetic number, because the mean of its divisors is an integer number (6217351).

Almost surely, 2^42258836 is an apocalyptic number.

It is an amenable number.

42258836 is a deficient number, since it is larger than the sum of its proper divisors (32349376).

42258836 is a wasteful number, since it uses less digits than its factorization.

42258836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93610 (or 93608 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The square root of 42258836 is about 6500.6796567744. The cubic root of 42258836 is about 348.3152667741.

It can be divided in two parts, 4225 and 8836, that multiplied together give a square (37332100 = 6110²).

The spelling of 42258836 in words is "forty-two million, two hundred fifty-eight thousand, eight hundred thirty-six".