42554563616 has 24 divisors (see below), whose sum is σ = 83784133440. Its totient is φ = 21276053568.

The previous prime is 42554563589. The next prime is 42554563633. The reversal of 42554563616 is 61636545524.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 819845 + ... + 870203.

It is an arithmetic number, because the mean of its divisors is an integer number (3491005560).

Almost surely, 2^42554563616 is an apocalyptic number.

It is an amenable number.

42554563616 is a deficient number, since it is larger than the sum of its proper divisors (41229569824).

42554563616 is a wasteful number, since it uses less digits than its factorization.

42554563616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76776 (or 76768 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 47.

The spelling of 42554563616 in words is "forty-two billion, five hundred fifty-four million, five hundred sixty-three thousand, six hundred sixteen".