42140463 has 8 divisors (see below), whose sum is σ = 56227248. Its totient is φ = 28073664.

The previous prime is 42140443. The next prime is 42140477. The reversal of 42140463 is 36404124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42140463 - 2¹⁰ = 42139439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42140443) 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, 931 + ... + 9227.

It is an arithmetic number, because the mean of its divisors is an integer number (7028406).

Almost surely, 2^42140463 is an apocalyptic number.

42140463 is a deficient number, since it is larger than the sum of its proper divisors (14086785).

42140463 is a wasteful number, since it uses less digits than its factorization.

42140463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9993.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 42140463 is about 6491.5686085876. The cubic root of 42140463 is about 347.9897357919.

Adding to 42140463 its reverse (36404124), we get a palindrome (78544587).

The spelling of 42140463 in words is "forty-two million, one hundred forty thousand, four hundred sixty-three".