1401043321342 has 16 divisors (see below), whose sum is σ = 2401806274560. Its totient is φ = 600442706808.

The previous prime is 1401043321309. The next prime is 1401043321367. The reversal of 1401043321342 is 2431233401041.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1401043321342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2223459 + ... + 2783137.

It is an arithmetic number, because the mean of its divisors is an integer number (150112892160).

Almost surely, 2^{1401043321342} is an apocalyptic number.

1401043321342 is a deficient number, since it is larger than the sum of its proper divisors (1000762953218).

1401043321342 is a wasteful number, since it uses less digits than its factorization.

1401043321342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738495.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1401043321342 its reverse (2431233401041), we get a palindrome (3832276722383).

The spelling of 1401043321342 in words is "one trillion, four hundred one billion, forty-three million, three hundred twenty-one thousand, three hundred forty-two".