42841044 has 18 divisors (see below), whose sum is σ = 108292730. Its totient is φ = 14280336.

The previous prime is 42841027. The next prime is 42841049. The reversal of 42841044 is 44014824.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 25100100 + 17740944 = 5010^2 + 4212^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 42840999 and 42841017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42841049) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 594979 + ... + 595050.

Almost surely, 2^42841044 is an apocalyptic number.

It is an amenable number.

42841044 is an abundant number, since it is smaller than the sum of its proper divisors (65451686).

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

42841044 is a wasteful number, since it uses less digits than its factorization.

42841044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190039 (or 1190034 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 42841044 is about 6545.3070210648. The cubic root of 42841044 is about 349.9075783182.

Adding to 42841044 its reverse (44014824), we get a palindrome (86855868).

The spelling of 42841044 in words is "forty-two million, eight hundred forty-one thousand, forty-four".