42440243341 has 8 divisors (see below), whose sum is σ = 42531861944. Its totient is φ = 42348718080.

The previous prime is 42440243327. The next prime is 42440243369. The reversal of 42440243341 is 14334204424.

It can be written as a sum of positive squares in 4 ways, for example, as 37031229225 + 5409014116 = 192435^2 + 73546^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 42440243341 - 2⁵ = 42440243309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42440243141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 928381 + ... + 973021.

It is an arithmetic number, because the mean of its divisors is an integer number (5316482743).

Almost surely, 2^42440243341 is an apocalyptic number.

It is an amenable number.

42440243341 is a deficient number, since it is larger than the sum of its proper divisors (91618603).

42440243341 is a wasteful number, since it uses less digits than its factorization.

42440243341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46671.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 42440243341 its reverse (14334204424), we get a palindrome (56774447765).

The spelling of 42440243341 in words is "forty-two billion, four hundred forty million, two hundred forty-three thousand, three hundred forty-one".