42444220024 has 8 divisors (see below), whose sum is σ = 79582912560. Its totient is φ = 21222110008.

The previous prime is 42444220019. The next prime is 42444220037. The reversal of 42444220024 is 42002244424.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 42444219974 and 42444220001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2652763744 + ... + 2652763759.

It is an arithmetic number, because the mean of its divisors is an integer number (9947864070).

Almost surely, 2^42444220024 is an apocalyptic number.

It is an amenable number.

42444220024 is a deficient number, since it is larger than the sum of its proper divisors (37138692536).

42444220024 is a wasteful number, since it uses less digits than its factorization.

42444220024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5305527509 (or 5305527505 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 42444220024 its reverse (42002244424), we get a palindrome (84446464448).

The spelling of 42444220024 in words is "forty-two billion, four hundred forty-four million, two hundred twenty thousand, twenty-four".