1421242544000 has 64 divisors (see below), whose sum is σ = 3533564314800. Its totient is φ = 568497011200.

The previous prime is 1421242543991. The next prime is 1421242544017. The reversal of 1421242544000 is 4452421241.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 44397830 + ... + 44429829.

Almost surely, 2^{1421242544000} is an apocalyptic number.

1421242544000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1421242544000 is an abundant number, since it is smaller than the sum of its proper divisors (2112321770800).

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

1421242544000 is an frugal number, since it uses more digits than its factorization.

1421242544000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88827688 (or 88827666 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 1421242544000 its reverse (4452421241), we get a palindrome (1425694965241).

The spelling of 1421242544000 in words is "one trillion, four hundred twenty-one billion, two hundred forty-two million, five hundred forty-four thousand".