42259456 has 22 divisors (see below), whose sum is σ = 84479690. Its totient is φ = 21129216.

The previous prime is 42259447. The next prime is 42259489. The reversal of 42259456 is 65495224.

It can be written as a sum of positive squares in only one way, i.e., 23040000 + 19219456 = 4800^2 + 4384^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 19611 + ... + 21658.

Almost surely, 2^42259456 is an apocalyptic number.

It is an amenable number.

42259456 is a deficient number, since it is larger than the sum of its proper divisors (42220234).

42259456 is an equidigital number, since it uses as much as digits as its factorization.

42259456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41289 (or 41271 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 42259456 is about 6500.7273439208. The cubic root of 42259456 is about 348.3169702002.

The spelling of 42259456 in words is "forty-two million, two hundred fifty-nine thousand, four hundred fifty-six".