1302420444 has 24 divisors (see below), whose sum is σ = 3272749200. Its totient is φ = 400744704.

The previous prime is 1302420419. The next prime is 1302420491. The reversal of 1302420444 is 4440242031.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4174269 + ... + 4174580.

It is an arithmetic number, because the mean of its divisors is an integer number (136364550).

Almost surely, 2^1302420444 is an apocalyptic number.

It is an amenable number.

1302420444 is an abundant number, since it is smaller than the sum of its proper divisors (1970328756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1302420444 is a wasteful number, since it uses less digits than its factorization.

1302420444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8348869 (or 8348867 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1302420444 is about 36089.0626644694. The cubic root of 1302420444 is about 1092.0698106425.

Adding to 1302420444 its reverse (4440242031), we get a palindrome (5742662475).

The spelling of 1302420444 in words is "one billion, three hundred two million, four hundred twenty thousand, four hundred forty-four".