420000044 has 12 divisors (see below), whose sum is σ = 735882000. Its totient is φ = 209748048.

The previous prime is 420000029. The next prime is 420000101. The reversal of 420000044 is 440000024.

It is a junction number, because it is equal to n+sod(n) for n = 419999983 and 420000028.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59219 + ... + 65930.

It is an arithmetic number, because the mean of its divisors is an integer number (61323500).

Almost surely, 2^420000044 is an apocalyptic number.

It is an amenable number.

420000044 is a deficient number, since it is larger than the sum of its proper divisors (315881956).

420000044 is a wasteful number, since it uses less digits than its factorization.

420000044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125992 (or 125990 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 420000044 is about 20493.9026054092. The cubic root of 420000044 is about 748.8872648735.

Adding to 420000044 its reverse (440000024), we get a palindrome (860000068).

The spelling of 420000044 in words is "four hundred twenty million, forty-four", and thus it is an aban number.