402234420044 has 12 divisors (see below), whose sum is σ = 705143006568. Its totient is φ = 200764989600.

The previous prime is 402234420031. The next prime is 402234420047. The reversal of 402234420044 is 440024432204.

It is a junction number, because it is equal to n+sod(n) for n = 402234419989 and 402234420016.

It is not an unprimeable number, because it can be changed into a prime (402234420047) 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 in 3 ways as a sum of consecutive naturals, for example, 88052537 + ... + 88057104.

It is an arithmetic number, because the mean of its divisors is an integer number (58761917214).

Almost surely, 2^402234420044 is an apocalyptic number.

It is an amenable number.

402234420044 is a deficient number, since it is larger than the sum of its proper divisors (302908586524).

402234420044 is a wasteful number, since it uses less digits than its factorization.

402234420044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176110216 (or 176110214 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 402234420044 its reverse (440024432204), we get a palindrome (842258852248).

The spelling of 402234420044 in words is "four hundred two billion, two hundred thirty-four million, four hundred twenty thousand, forty-four".