1401142021424 has 20 divisors (see below), whose sum is σ = 2714732287680. Its totient is φ = 700565947200.

The previous prime is 1401142021399. The next prime is 1401142021463. The reversal of 1401142021424 is 4241202411041.

It is a junction number, because it is equal to n+sod(n) for n = 1401142021393 and 1401142021402.

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 in 3 ways as a sum of consecutive naturals, for example, 3054497 + ... + 3483135.

It is an arithmetic number, because the mean of its divisors is an integer number (135736614384).

Almost surely, 2^{1401142021424} is an apocalyptic number.

It is an amenable number.

1401142021424 is a deficient number, since it is larger than the sum of its proper divisors (1313590266256).

1401142021424 is a wasteful number, since it uses less digits than its factorization.

1401142021424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632948 (or 632942 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

Adding to 1401142021424 its reverse (4241202411041), we get a palindrome (5642344432465).

The spelling of 1401142021424 in words is "one trillion, four hundred one billion, one hundred forty-two million, twenty-one thousand, four hundred twenty-four".