42444000463 has 4 divisors (see below), whose sum is σ = 42659452440. Its totient is φ = 42228548488.

The previous prime is 42444000457. The next prime is 42444000481. The reversal of 42444000463 is 36400044424.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42444000463 - 2²¹ = 42441903311 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 (42444000163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107725693 + ... + 107726086.

It is an arithmetic number, because the mean of its divisors is an integer number (10664863110).

Almost surely, 2^42444000463 is an apocalyptic number.

42444000463 is a deficient number, since it is larger than the sum of its proper divisors (215451977).

42444000463 is a wasteful number, since it uses less digits than its factorization.

42444000463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215451976.

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

Adding to 42444000463 its reverse (36400044424), we get a palindrome (78844044887).

The spelling of 42444000463 in words is "forty-two billion, four hundred forty-four million, four hundred sixty-three", and thus it is an aban number.