42744145044 has 48 divisors (see below), whose sum is σ = 103250448000. Its totient is φ = 13746746496.

The previous prime is 42744144983. The next prime is 42744145051. The reversal of 42744145044 is 44054144724.

It is a junction number, because it is equal to n+sod(n) for n = 42744144993 and 42744145011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 442954 + ... + 530750.

It is an arithmetic number, because the mean of its divisors is an integer number (2151051000).

Almost surely, 2^42744145044 is an apocalyptic number.

It is an amenable number.

42744145044 is an abundant number, since it is smaller than the sum of its proper divisors (60506302956).

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

42744145044 is a wasteful number, since it uses less digits than its factorization.

42744145044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89232 (or 89230 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 39.

Adding to 42744145044 its reverse (44054144724), we get a palindrome (86798289768).

The spelling of 42744145044 in words is "forty-two billion, seven hundred forty-four million, one hundred forty-five thousand, forty-four".