42560044 has 12 divisors (see below), whose sum is σ = 78861384. Its totient is φ = 20028224.

The previous prime is 42560041. The next prime is 42560053. The reversal of 42560044 is 44006524.

It is a super-2 number, since 2×42560044² = 3622714690563872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42560041) 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, 312874 + ... + 313009.

It is an arithmetic number, because the mean of its divisors is an integer number (6571782).

Almost surely, 2^42560044 is an apocalyptic number.

It is an amenable number.

42560044 is a deficient number, since it is larger than the sum of its proper divisors (36301340).

42560044 is a wasteful number, since it uses less digits than its factorization.

42560044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625904 (or 625902 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 42560044 is about 6523.8059443855. The cubic root of 42560044 is about 349.1408697253.

Adding to 42560044 its reverse (44006524), we get a palindrome (86566568).

The spelling of 42560044 in words is "forty-two million, five hundred sixty thousand, forty-four".