42308044 has 12 divisors (see below), whose sum is σ = 75761224. Its totient is φ = 20661984.

The previous prime is 42307981. The next prime is 42308047. The reversal of 42308044 is 44080324.

It is not an unprimeable number, because it can be changed into a prime (42308047) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 122817 + ... + 123160.

Almost surely, 2^42308044 is an apocalyptic number.

It is an amenable number.

42308044 is a deficient number, since it is larger than the sum of its proper divisors (33453180).

42308044 is a wasteful number, since it uses less digits than its factorization.

42308044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246024 (or 246022 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 42308044 is about 6504.4633906265. The cubic root of 42308044 is about 348.4504120735.

Adding to 42308044 its reverse (44080324), we get a palindrome (86388368).

The spelling of 42308044 in words is "forty-two million, three hundred eight thousand, forty-four".