1001424421244 has 72 divisors (see below), whose sum is σ = 2021046436752. Its totient is φ = 431316990720.

The previous prime is 1001424421241. The next prime is 1001424421279. The reversal of 1001424421244 is 4421244241001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001424421241) 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 23 ways as a sum of consecutive naturals, for example, 683867 + ... + 1571789.

Almost surely, 2^{1001424421244} is an apocalyptic number.

It is an amenable number.

1001424421244 is an abundant number, since it is smaller than the sum of its proper divisors (1019622015508).

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

1001424421244 is a wasteful number, since it uses less digits than its factorization.

1001424421244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888027 (or 888002 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 1001424421244 its reverse (4421244241001), we get a palindrome (5422668662245).

The spelling of 1001424421244 in words is "one trillion, one billion, four hundred twenty-four million, four hundred twenty-one thousand, two hundred forty-four".