42051344 has 20 divisors (see below), whose sum is σ = 82692624. Its totient is φ = 20711328.

The previous prime is 42051329. The next prime is 42051349. The reversal of 42051344 is 44315024.

It is not an unprimeable number, because it can be changed into a prime (42051349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18542 + ... + 20685.

Almost surely, 2^42051344 is an apocalyptic number.

It is an amenable number.

42051344 is a deficient number, since it is larger than the sum of its proper divisors (40641280).

42051344 is a wasteful number, since it uses less digits than its factorization.

42051344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39302 (or 39296 counting only the distinct ones).

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

The square root of 42051344 is about 6484.7007641062. The cubic root of 42051344 is about 347.7442521355.

Adding to 42051344 its reverse (44315024), we get a palindrome (86366368).

The spelling of 42051344 in words is "forty-two million, fifty-one thousand, three hundred forty-four".