1401244003444 has 6 divisors (see below), whose sum is σ = 2452177006034. Its totient is φ = 700622001720.

The previous prime is 1401244003361. The next prime is 1401244003469. The reversal of 1401244003444 is 4443004421041.

It can be written as a sum of positive squares in only one way, i.e., 962949690000 + 438294313444 = 981300^2 + 662038^2 .

It is a super-2 number, since 2×1401244003444² (a number of 25 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 175155500427 + ... + 175155500434.

Almost surely, 2^{1401244003444} is an apocalyptic number.

It is an amenable number.

1401244003444 is a deficient number, since it is larger than the sum of its proper divisors (1050933002590).

1401244003444 is a wasteful number, since it uses less digits than its factorization.

1401244003444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350311000865 (or 350311000863 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 1401244003444 its reverse (4443004421041), we get a palindrome (5844248424485).

The spelling of 1401244003444 in words is "one trillion, four hundred one billion, two hundred forty-four million, three thousand, four hundred forty-four".