42243320044 has 12 divisors (see below), whose sum is σ = 74001950568. Its totient is φ = 21099905600.

The previous prime is 42243320011. The next prime is 42243320051. The reversal of 42243320044 is 44002334224.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42243319994 and 42243320021.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5434237 + ... + 5442004.

It is an arithmetic number, because the mean of its divisors is an integer number (6166829214).

Almost surely, 2^42243320044 is an apocalyptic number.

It is an amenable number.

42243320044 is a deficient number, since it is larger than the sum of its proper divisors (31758630524).

42243320044 is a wasteful number, since it uses less digits than its factorization.

42243320044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10877216 (or 10877214 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 42243320044 its reverse (44002334224), we get a palindrome (86245654268).

The spelling of 42243320044 in words is "forty-two billion, two hundred forty-three million, three hundred twenty thousand, forty-four".