42446242449 has 12 divisors (see below), whose sum is σ = 66027488436. Its totient is φ = 26120764512.

The previous prime is 42446242429. The next prime is 42446242477. The reversal of 42446242449 is 94424264424.

42446242449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 21498890625 + 20947351824 = 146625^2 + 144732^2 .

It is not a de Polignac number, because 42446242449 - 2¹¹ = 42446240401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42446242409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181394082 + ... + 181394315.

It is an arithmetic number, because the mean of its divisors is an integer number (5502290703).

Almost surely, 2^42446242449 is an apocalyptic number.

It is an amenable number.

42446242449 is a deficient number, since it is larger than the sum of its proper divisors (23581245987).

42446242449 is a wasteful number, since it uses less digits than its factorization.

42446242449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362788416 (or 362788413 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 45.

The spelling of 42446242449 in words is "forty-two billion, four hundred forty-six million, two hundred forty-two thousand, four hundred forty-nine".