42485436 has 72 divisors (see below), whose sum is σ = 125090784. Its totient is φ = 11905920.

The previous prime is 42485411. The next prime is 42485473. The reversal of 42485436 is 63458424.

It is a super-2 number, since 2×42485436² = 3610024544220192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 42485436.

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 23 ways as a sum of consecutive naturals, for example, 11766 + ... + 14946.

It is an arithmetic number, because the mean of its divisors is an integer number (1737372).

Almost surely, 2^42485436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42485436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62545392).

42485436 is an abundant number, since it is smaller than the sum of its proper divisors (82605348).

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

42485436 is a wasteful number, since it uses less digits than its factorization.

42485436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3251 (or 3246 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 42485436 is about 6518.0853016818. The cubic root of 42485436 is about 348.9367350834.

The spelling of 42485436 in words is "forty-two million, four hundred eighty-five thousand, four hundred thirty-six".