42281294 has 32 divisors (see below), whose sum is σ = 71525376. Its totient is φ = 18580320.

The previous prime is 42281293. The next prime is 42281321. The reversal of 42281294 is 49218224.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42281294.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42281293) 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 15 ways as a sum of consecutive naturals, for example, 106304 + ... + 106700.

It is an arithmetic number, because the mean of its divisors is an integer number (2235168).

Almost surely, 2^42281294 is an apocalyptic number.

42281294 is a deficient number, since it is larger than the sum of its proper divisors (29244082).

42281294 is a wasteful number, since it uses less digits than its factorization.

42281294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560.

The product of its digits is 9216, while the sum is 32.

The square root of 42281294 is about 6502.4067851835. The cubic root of 42281294 is about 348.3769586370.

The spelling of 42281294 in words is "forty-two million, two hundred eighty-one thousand, two hundred ninety-four".