1443442001300 has 144 divisors (see below), whose sum is σ = 3437182141680. Its totient is φ = 522932060160.

The previous prime is 1443442001291. The next prime is 1443442001303. The reversal of 1443442001300 is 31002443441.

It can be written as a sum of positive squares in 24 ways, for example, as 1441315500304 + 2126500996 = 1200548^2 + 46114^2 .

It is a super-2 number, since 2×1443442001300² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 1443442001300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443442001303) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18276296 + ... + 18355104.

Almost surely, 2^{1443442001300} is an apocalyptic number.

1443442001300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1443442001300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1718591070840).

1443442001300 is an abundant number, since it is smaller than the sum of its proper divisors (1993740140380).

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

1443442001300 is a wasteful number, since it uses less digits than its factorization.

1443442001300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79102 (or 79095 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1443442001300 its reverse (31002443441), we get a palindrome (1474444444741).

The spelling of 1443442001300 in words is "one trillion, four hundred forty-three billion, four hundred forty-two million, one thousand, three hundred".