42401351444 has 24 divisors (see below), whose sum is σ = 78140092800. Its totient is φ = 20076534720.

The previous prime is 42401351413. The next prime is 42401351471. The reversal of 42401351444 is 44415310424.

42401351444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 42401351444.

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, 71237 + ... + 299795.

It is an arithmetic number, because the mean of its divisors is an integer number (3255837200).

Almost surely, 2^42401351444 is an apocalyptic number.

It is an amenable number.

42401351444 is a deficient number, since it is larger than the sum of its proper divisors (35738741356).

42401351444 is a wasteful number, since it uses less digits than its factorization.

42401351444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231023 (or 231021 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 42401351444 its reverse (44415310424), we get a palindrome (86816661868).

The spelling of 42401351444 in words is "forty-two billion, four hundred one million, three hundred fifty-one thousand, four hundred forty-four".