42031340044 has 24 divisors (see below), whose sum is σ = 74134545408. Its totient is φ = 20850120720.

The previous prime is 42031340023. The next prime is 42031340053. The reversal of 42031340044 is 44004313024.

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, 3002349 + ... + 3016315.

It is an arithmetic number, because the mean of its divisors is an integer number (3088939392).

Almost surely, 2^42031340044 is an apocalyptic number.

It is an amenable number.

42031340044 is a deficient number, since it is larger than the sum of its proper divisors (32103205364).

42031340044 is a wasteful number, since it uses less digits than its factorization.

42031340044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19845 (or 19843 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 42031340044 its reverse (44004313024), we get a palindrome (86035653068).

The spelling of 42031340044 in words is "forty-two billion, thirty-one million, three hundred forty thousand, forty-four".