42124045444 has 24 divisors (see below), whose sum is σ = 79393812120. Its totient is φ = 19440351744.

The previous prime is 42124045427. The next prime is 42124045471. The reversal of 42124045444 is 44454042124.

It is a happy number.

42124045444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8956351044 + 33167694400 = 94638^2 + 182120^2 .

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, 908652 + ... + 953884.

It is an arithmetic number, because the mean of its divisors is an integer number (3308075505).

Almost surely, 2^42124045444 is an apocalyptic number.

It is an amenable number.

42124045444 is a deficient number, since it is larger than the sum of its proper divisors (37269766676).

42124045444 is a wasteful number, since it uses less digits than its factorization.

42124045444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63159 (or 63157 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 34.

Adding to 42124045444 its reverse (44454042124), we get a palindrome (86578087568).

The spelling of 42124045444 in words is "forty-two billion, one hundred twenty-four million, forty-five thousand, four hundred forty-four".