1421443301244 has 24 divisors (see below), whose sum is σ = 3350893833168. Its totient is φ = 468929748480.

The previous prime is 1421443301231. The next prime is 1421443301269. The reversal of 1421443301244 is 4421033441241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610584447 + ... + 610586774.

It is an arithmetic number, because the mean of its divisors is an integer number (139620576382).

Almost surely, 2^{1421443301244} is an apocalyptic number.

It is an amenable number.

1421443301244 is an abundant number, since it is smaller than the sum of its proper divisors (1929450531924).

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

1421443301244 is a wasteful number, since it uses less digits than its factorization.

1421443301244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221171325 (or 1221171323 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 1421443301244 its reverse (4421033441241), we get a palindrome (5842476742485).

The spelling of 1421443301244 in words is "one trillion, four hundred twenty-one billion, four hundred forty-three million, three hundred one thousand, two hundred forty-four".