42421201144 has 16 divisors (see below), whose sum is σ = 90902574000. Its totient is φ = 18180514752.

The previous prime is 42421201139. The next prime is 42421201169. The reversal of 42421201144 is 44110212424.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378760669 + ... + 378760780.

It is an arithmetic number, because the mean of its divisors is an integer number (5681410875).

Almost surely, 2^42421201144 is an apocalyptic number.

It is an amenable number.

42421201144 is an abundant number, since it is smaller than the sum of its proper divisors (48481372856).

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

42421201144 is a wasteful number, since it uses less digits than its factorization.

42421201144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757521462 (or 757521458 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 42421201144 its reverse (44110212424), we get a palindrome (86531413568).

The spelling of 42421201144 in words is "forty-two billion, four hundred twenty-one million, two hundred one thousand, one hundred forty-four".