42544023664 has 10 divisors (see below), whose sum is σ = 82429045880. Its totient is φ = 21272011824.

The previous prime is 42544023653. The next prime is 42544023677. The reversal of 42544023664 is 46632044524.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1329500724 + ... + 1329500755.

It is an arithmetic number, because the mean of its divisors is an integer number (8242904588).

Almost surely, 2^42544023664 is an apocalyptic number.

It is an amenable number.

42544023664 is a deficient number, since it is larger than the sum of its proper divisors (39885022216).

42544023664 is a wasteful number, since it uses less digits than its factorization.

42544023664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2659001487 (or 2659001481 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 40.

The spelling of 42544023664 in words is "forty-two billion, five hundred forty-four million, twenty-three thousand, six hundred sixty-four".