42031212044 has 48 divisors (see below), whose sum is σ = 75124288512. Its totient is φ = 20572111872.

The previous prime is 42031212037. The next prime is 42031212049. The reversal of 42031212044 is 44021213024.

It is not an unprimeable number, because it can be changed into a prime (42031212049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26056982 + ... + 26058594.

It is an arithmetic number, because the mean of its divisors is an integer number (1565089344).

Almost surely, 2^42031212044 is an apocalyptic number.

It is an amenable number.

42031212044 is a deficient number, since it is larger than the sum of its proper divisors (33093076468).

42031212044 is a wasteful number, since it uses less digits than its factorization.

42031212044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306 (or 2304 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 42031212044 its reverse (44021213024), we get a palindrome (86052425068).

The spelling of 42031212044 in words is "forty-two billion, thirty-one million, two hundred twelve thousand, forty-four".