42434441 has 6 divisors (see below), whose sum is σ = 49362570. Its totient is φ = 36372336.

The previous prime is 42434423. The next prime is 42434459. The reversal of 42434441 is 14443424.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42434423) and next prime (42434459).

It can be written as a sum of positive squares in only one way, i.e., 37258816 + 5175625 = 6104^2 + 2275^2 .

It is not a de Polignac number, because 42434441 - 2⁶ = 42434377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42434441.

It is not an unprimeable number, because it can be changed into a prime (42434401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 432956 + ... + 433053.

It is an arithmetic number, because the mean of its divisors is an integer number (8227095).

Almost surely, 2^42434441 is an apocalyptic number.

It is an amenable number.

42434441 is a deficient number, since it is larger than the sum of its proper divisors (6928129).

42434441 is an equidigital number, since it uses as much as digits as its factorization.

42434441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866023 (or 866016 counting only the distinct ones).

The product of its digits is 6144, while the sum is 26.

The square root of 42434441 is about 6514.1723188752. The cubic root of 42434441 is about 348.7970703372.

Adding to 42434441 its reverse (14443424), we get a palindrome (56877865).

It can be divided in two parts, 42434 and 441, that added together give a cube (42875 = 35³).

The spelling of 42434441 in words is "forty-two million, four hundred thirty-four thousand, four hundred forty-one".