42031443344 has 20 divisors (see below), whose sum is σ = 88839187440. Its totient is φ = 19105201440.

The previous prime is 42031443319. The next prime is 42031443347. The reversal of 42031443344 is 44334413024.

It is a self number, because there is not a number n which added to its sum of digits gives 42031443344.

It is not an unprimeable number, because it can be changed into a prime (42031443347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119407334 + ... + 119407685.

It is an arithmetic number, because the mean of its divisors is an integer number (4441959372).

Almost surely, 2^42031443344 is an apocalyptic number.

42031443344 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42031443344 is an abundant number, since it is smaller than the sum of its proper divisors (46807744096).

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

42031443344 is a wasteful number, since it uses less digits than its factorization.

42031443344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238815038 (or 238815032 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 42031443344 its reverse (44334413024), we get a palindrome (86365856368).

The spelling of 42031443344 in words is "forty-two billion, thirty-one million, four hundred forty-three thousand, three hundred forty-four".