42480243 has 24 divisors (see below), whose sum is σ = 66706640. Its totient is φ = 25894080.

The previous prime is 42480239. The next prime is 42480283. The reversal of 42480243 is 34208424.

It is a happy number.

It is not a de Polignac number, because 42480243 - 2² = 42480239 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (42480283) 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 23 ways as a sum of consecutive naturals, for example, 11088 + ... + 14418.

Almost surely, 2^42480243 is an apocalyptic number.

42480243 is a deficient number, since it is larger than the sum of its proper divisors (24226397).

42480243 is a wasteful number, since it uses less digits than its factorization.

42480243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3459 (or 3456 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 42480243 is about 6517.6869363295. The cubic root of 42480243 is about 348.9225176443.

Adding to 42480243 its reverse (34208424), we get a palindrome (76688667).

The spelling of 42480243 in words is "forty-two million, four hundred eighty thousand, two hundred forty-three".