42003450044 has 12 divisors (see below), whose sum is σ = 73515999984. Its totient is φ = 20998878624.

The previous prime is 42003450019. The next prime is 42003450091. The reversal of 42003450044 is 44005430024.

It is a junction number, because it is equal to n+sod(n) for n = 42003449995 and 42003450022.

It is a congruent number.

It is an unprimeable number.

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, 678224 + ... + 737559.

It is an arithmetic number, because the mean of its divisors is an integer number (6126333332).

Almost surely, 2^42003450044 is an apocalyptic number.

It is an amenable number.

42003450044 is a deficient number, since it is larger than the sum of its proper divisors (31512549940).

42003450044 is a wasteful number, since it uses less digits than its factorization.

42003450044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423204 (or 1423202 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

Adding to 42003450044 its reverse (44005430024), we get a palindrome (86008880068).

The spelling of 42003450044 in words is "forty-two billion, three million, four hundred fifty thousand, forty-four".