2130420044 has 6 divisors (see below), whose sum is σ = 3728235084. Its totient is φ = 1065210020.

The previous prime is 2130420041. The next prime is 2130420073. The reversal of 2130420044 is 4400240312.

It is a junction number, because it is equal to n+sod(n) for n = 2130419998 and 2130420025.

It is not an unprimeable number, because it can be changed into a prime (2130420041) 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 as a sum of consecutive naturals, namely, 266302502 + ... + 266302509.

It is an arithmetic number, because the mean of its divisors is an integer number (621372514).

Almost surely, 2^2130420044 is an apocalyptic number.

It is an amenable number.

2130420044 is a deficient number, since it is larger than the sum of its proper divisors (1597815040).

2130420044 is a wasteful number, since it uses less digits than its factorization.

2130420044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532605015 (or 532605013 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2130420044 is about 46156.4734788090. The cubic root of 2130420044 is about 1286.7329229605.

Adding to 2130420044 its reverse (4400240312), we get a palindrome (6530660356).

The spelling of 2130420044 in words is "two billion, one hundred thirty million, four hundred twenty thousand, forty-four".