42053444 has 24 divisors (see below), whose sum is σ = 78871968. Its totient is φ = 19548800.

The previous prime is 42053443. The next prime is 42053447. The reversal of 42053444 is 44435024.

It is a super-2 number, since 2×42053444² = 3536984304522272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42053443) 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 7 ways as a sum of consecutive naturals, for example, 1919 + ... + 9369.

It is an arithmetic number, because the mean of its divisors is an integer number (3286332).

Almost surely, 2^42053444 is an apocalyptic number.

It is an amenable number.

42053444 is a deficient number, since it is larger than the sum of its proper divisors (36818524).

42053444 is a wasteful number, since it uses less digits than its factorization.

42053444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7555 (or 7553 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 42053444 is about 6484.8626816610. The cubic root of 42053444 is about 347.7500407002.

Adding to 42053444 its reverse (44435024), we get a palindrome (86488468).

The spelling of 42053444 in words is "forty-two million, fifty-three thousand, four hundred forty-four".