1310420444 has 12 divisors (see below), whose sum is σ = 2332104600. Its totient is φ = 644104848.

The previous prime is 1310420429. The next prime is 1310420467. The reversal of 1310420444 is 4440240131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2776079 + ... + 2776550.

It is an arithmetic number, because the mean of its divisors is an integer number (194342050).

Almost surely, 2^1310420444 is an apocalyptic number.

It is an amenable number.

1310420444 is a deficient number, since it is larger than the sum of its proper divisors (1021684156).

1310420444 is a wasteful number, since it uses less digits than its factorization.

1310420444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5552692 (or 5552690 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1310420444 is about 36199.7298884950. The cubic root of 1310420444 is about 1094.3012281742.

Adding to 1310420444 its reverse (4440240131), we get a palindrome (5750660575).

The spelling of 1310420444 in words is "one billion, three hundred ten million, four hundred twenty thousand, four hundred forty-four".