42859544 has 64 divisors (see below), whose sum is σ = 99973440. Its totient is φ = 16773120.

The previous prime is 42859529. The next prime is 42859549. The reversal of 42859544 is 44595824.

42859544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42859549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82004 + ... + 82524.

It is an arithmetic number, because the mean of its divisors is an integer number (1562085).

Almost surely, 2^42859544 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 42859544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49986720).

42859544 is an abundant number, since it is smaller than the sum of its proper divisors (57113896).

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

42859544 is a wasteful number, since it uses less digits than its factorization.

42859544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660 (or 656 counting only the distinct ones).

The product of its digits is 230400, while the sum is 41.

The square root of 42859544 is about 6546.7200948261. The cubic root of 42859544 is about 349.9579378024.

The spelling of 42859544 in words is "forty-two million, eight hundred fifty-nine thousand, five hundred forty-four".