1421002332404 has 12 divisors (see below), whose sum is σ = 2486772533700. Its totient is φ = 710495894208.

The previous prime is 1421002332403. The next prime is 1421002332437. The reversal of 1421002332404 is 4042332001241.

It can be written as a sum of positive squares in 2 ways, for example, as 435866680804 + 985135651600 = 660202^2 + 992540^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421002332403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 676889 + ... + 1816640.

It is an arithmetic number, because the mean of its divisors is an integer number (207231044475).

Almost surely, 2^{1421002332404} is an apocalyptic number.

It is an amenable number.

1421002332404 is a deficient number, since it is larger than the sum of its proper divisors (1065770201296).

1421002332404 is a wasteful number, since it uses less digits than its factorization.

1421002332404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2636002 (or 2636000 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1421002332404 its reverse (4042332001241), we get a palindrome (5463334333645).

The spelling of 1421002332404 in words is "one trillion, four hundred twenty-one billion, two million, three hundred thirty-two thousand, four hundred four".