1401443212104 has 64 divisors (see below), whose sum is σ = 4192351497600. Its totient is φ = 431213295168.

The previous prime is 1401443212073. The next prime is 1401443212109. The reversal of 1401443212104 is 4012123441041.

1401443212104 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 443 + 2 + 1 + 210 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1401443212109) 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 15 ways as a sum of consecutive naturals, for example, 249541924 + ... + 249547539.

It is an arithmetic number, because the mean of its divisors is an integer number (65505492150).

Almost surely, 2^{1401443212104} is an apocalyptic number.

It is an amenable number.

1401443212104 is an abundant number, since it is smaller than the sum of its proper divisors (2790908285496).

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

1401443212104 is a wasteful number, since it uses less digits than its factorization.

1401443212104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499089491 (or 499089481 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 1401443212104 its reverse (4012123441041), we get a palindrome (5413566653145).

The spelling of 1401443212104 in words is "one trillion, four hundred one billion, four hundred forty-three million, two hundred twelve thousand, one hundred four".