42334431444 has 36 divisors (see below), whose sum is σ = 108012157344. Its totient is φ = 13979592912.

The previous prime is 42334431443. The next prime is 42334431463. The reversal of 42334431444 is 44413443324.

42334431444 is a `hidden beast` number, since 4 + 2 + 334 + 4 + 314 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 42334431399 and 42334431408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42334431443) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5491272 + ... + 5498975.

It is an arithmetic number, because the mean of its divisors is an integer number (3000337704).

Almost surely, 2^42334431444 is an apocalyptic number.

It is an amenable number.

42334431444 is an abundant number, since it is smaller than the sum of its proper divisors (65677725900).

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

42334431444 is a wasteful number, since it uses less digits than its factorization.

42334431444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10990364 (or 10990359 counting only the distinct ones).

The product of its digits is 221184, while the sum is 36.

Adding to 42334431444 its reverse (44413443324), we get a palindrome (86747874768).

The spelling of 42334431444 in words is "forty-two billion, three hundred thirty-four million, four hundred thirty-one thousand, four hundred forty-four".