42005652044 has 6 divisors (see below), whose sum is σ = 73509891084. Its totient is φ = 21002826020.

The previous prime is 42005651921. The next prime is 42005652061. The reversal of 42005652044 is 44025650024.

It is a self number, because there is not a number n which added to its sum of digits gives 42005652044.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5250706502 + ... + 5250706509.

It is an arithmetic number, because the mean of its divisors is an integer number (12251648514).

Almost surely, 2^42005652044 is an apocalyptic number.

It is an amenable number.

42005652044 is a deficient number, since it is larger than the sum of its proper divisors (31504239040).

42005652044 is a wasteful number, since it uses less digits than its factorization.

42005652044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10501413015 (or 10501413013 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

The spelling of 42005652044 in words is "forty-two billion, five million, six hundred fifty-two thousand, forty-four".