42546154556 has 6 divisors (see below), whose sum is σ = 74455770480. Its totient is φ = 21273077276.

The previous prime is 42546154543. The next prime is 42546154571. The reversal of 42546154556 is 65545164524.

It is a self number, because there is not a number n which added to its sum of digits gives 42546154556.

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, 5318269316 + ... + 5318269323.

It is an arithmetic number, because the mean of its divisors is an integer number (12409295080).

Almost surely, 2^42546154556 is an apocalyptic number.

It is an amenable number.

42546154556 is a deficient number, since it is larger than the sum of its proper divisors (31909615924).

42546154556 is a wasteful number, since it uses less digits than its factorization.

42546154556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10636538643 (or 10636538641 counting only the distinct ones).

The product of its digits is 2880000, while the sum is 47.

The spelling of 42546154556 in words is "forty-two billion, five hundred forty-six million, one hundred fifty-four thousand, five hundred fifty-six".