42633344 has 32 divisors (see below), whose sum is σ = 91470540. Its totient is φ = 19676160.

The previous prime is 42633323. The next prime is 42633379. The reversal of 42633344 is 44333624.

It can be written as a sum of positive squares in 2 ways, for example, as 37063744 + 5569600 = 6088^2 + 2360^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11147 + ... + 14474.

Almost surely, 2^42633344 is an apocalyptic number.

It is an amenable number.

42633344 is an abundant number, since it is smaller than the sum of its proper divisors (48837196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42633344 is a wasteful number, since it uses less digits than its factorization.

42633344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25648 (or 25636 counting only the distinct ones).

The product of its digits is 20736, while the sum is 29.

The square root of 42633344 is about 6529.4214138773. The cubic root of 42633344 is about 349.3411933563.

Adding to 42633344 its reverse (44333624), we get a palindrome (86966968).

The spelling of 42633344 in words is "forty-two million, six hundred thirty-three thousand, three hundred forty-four".