1421240322446 has 64 divisors (see below), whose sum is σ = 2641902912000. Its totient is φ = 559841901696.

The previous prime is 1421240322433. The next prime is 1421240322479. The reversal of 1421240322446 is 6442230421241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1287296 + ... + 2121228.

It is an arithmetic number, because the mean of its divisors is an integer number (41279733000).

Almost surely, 2^{1421240322446} is an apocalyptic number.

1421240322446 is a deficient number, since it is larger than the sum of its proper divisors (1220662589554).

1421240322446 is a wasteful number, since it uses less digits than its factorization.

1421240322446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834153.

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 1421240322446 its reverse (6442230421241), we get a palindrome (7863470743687).

The spelling of 1421240322446 in words is "one trillion, four hundred twenty-one billion, two hundred forty million, three hundred twenty-two thousand, four hundred forty-six".