42442242044 has 6 divisors (see below), whose sum is σ = 74273923584. Its totient is φ = 21221121020.

The previous prime is 42442242013. The next prime is 42442242053. The reversal of 42442242044 is 44024224424.

It is a self number, because there is not a number n which added to its sum of digits gives 42442242044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5305280252 + ... + 5305280259.

It is an arithmetic number, because the mean of its divisors is an integer number (12378987264).

Almost surely, 2^42442242044 is an apocalyptic number.

It is an amenable number.

42442242044 is a deficient number, since it is larger than the sum of its proper divisors (31831681540).

42442242044 is a wasteful number, since it uses less digits than its factorization.

42442242044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10610560515 (or 10610560513 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 42442242044 its reverse (44024224424), we get a palindrome (86466466468).

The spelling of 42442242044 in words is "forty-two billion, four hundred forty-two million, two hundred forty-two thousand, forty-four".