42440432303 has 2 divisors, whose sum is σ = 42440432304. Its totient is φ = 42440432302.

The previous prime is 42440432291. The next prime is 42440432341. The reversal of 42440432303 is 30323404424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42440432303 - 2¹⁰ = 42440431279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42440432803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21220216151 + 21220216152.

It is an arithmetic number, because the mean of its divisors is an integer number (21220216152).

Almost surely, 2^42440432303 is an apocalyptic number.

42440432303 is a deficient number, since it is larger than the sum of its proper divisors (1).

42440432303 is an equidigital number, since it uses as much as digits as its factorization.

42440432303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 42440432303 its reverse (30323404424), we get a palindrome (72763836727).

The spelling of 42440432303 in words is "forty-two billion, four hundred forty million, four hundred thirty-two thousand, three hundred three".