1301408444 has 18 divisors (see below), whose sum is σ = 2649296160. Its totient is φ = 557746392.

The previous prime is 1301408441. The next prime is 1301408453. The reversal of 1301408444 is 4448041031.

It is a happy number.

It is a super-2 number, since 2×1301408444² = 3387327876229002272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301408441) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 3319724 + ... + 3320115.

It is an arithmetic number, because the mean of its divisors is an integer number (147183120).

Almost surely, 2^1301408444 is an apocalyptic number.

1301408444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1301408444 is an abundant number, since it is smaller than the sum of its proper divisors (1347887716).

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

1301408444 is a wasteful number, since it uses less digits than its factorization.

1301408444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6639857 (or 6639848 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 1301408444 is about 36075.0390713579. The cubic root of 1301408444 is about 1091.7868858715.

Adding to 1301408444 its reverse (4448041031), we get a palindrome (5749449475).

The spelling of 1301408444 in words is "one billion, three hundred one million, four hundred eight thousand, four hundred forty-four".