42044135 has 8 divisors (see below), whose sum is σ = 57660576. Its totient is φ = 28830240.

The previous prime is 42044117. The next prime is 42044159. The reversal of 42044135 is 53144024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42044135 - 2²⁴ = 25266919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42044135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600596 + ... + 600665.

It is an arithmetic number, because the mean of its divisors is an integer number (7207572).

Almost surely, 2^42044135 is an apocalyptic number.

42044135 is a deficient number, since it is larger than the sum of its proper divisors (15616441).

42044135 is a wasteful number, since it uses less digits than its factorization.

42044135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201273.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 42044135 is about 6484.1448935075. The cubic root of 42044135 is about 347.7243793534.

Adding to 42044135 its reverse (53144024), we get a palindrome (95188159).

The spelling of 42044135 in words is "forty-two million, forty-four thousand, one hundred thirty-five".