42320044444 has 24 divisors (see below), whose sum is σ = 77525876736. Its totient is φ = 20189022000.

The previous prime is 42320044427. The next prime is 42320044447. The reversal of 42320044444 is 44444002324.

42320044444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42320044447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2394652 + ... + 2412259.

It is an arithmetic number, because the mean of its divisors is an integer number (3230244864).

Almost surely, 2^42320044444 is an apocalyptic number.

It is an amenable number.

42320044444 is a deficient number, since it is larger than the sum of its proper divisors (35205832292).

42320044444 is a wasteful number, since it uses less digits than its factorization.

42320044444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4807017 (or 4807015 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 31.

Adding to 42320044444 its reverse (44444002324), we get a palindrome (86764046768).

The spelling of 42320044444 in words is "forty-two billion, three hundred twenty million, forty-four thousand, four hundred forty-four".