42785358 has 48 divisors (see below), whose sum is σ = 107506560. Its totient is φ = 11111760.

The previous prime is 42785299. The next prime is 42785389. The reversal of 42785358 is 85358724.

42785358 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 873 + ... + 9291.

It is an arithmetic number, because the mean of its divisors is an integer number (2239720).

Almost surely, 2^42785358 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42785358, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53753280).

42785358 is an abundant number, since it is smaller than the sum of its proper divisors (64721202).

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

42785358 is a wasteful number, since it uses less digits than its factorization.

42785358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8453 (or 8442 counting only the distinct ones).

The product of its digits is 268800, while the sum is 42.

The square root of 42785358 is about 6541.0517502922. The cubic root of 42785358 is about 349.7559059961.

The spelling of 42785358 in words is "forty-two million, seven hundred eighty-five thousand, three hundred fifty-eight".