42745062444656 has 40 divisors (see below), whose sum is σ = 97297327457904. Its totient is φ = 17934991234560.

The previous prime is 42745062444653. The next prime is 42745062444671. The reversal of 42745062444656 is 65644426054724.

It is a junction number, because it is equal to n+sod(n) for n = 42745062444595 and 42745062444604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42745062444653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9341138981 + ... + 9341143556.

Almost surely, 2^{42745062444656} is an apocalyptic number.

It is an amenable number.

42745062444656 is an abundant number, since it is smaller than the sum of its proper divisors (54552265013248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42745062444656 is a wasteful number, since it uses less digits than its factorization.

42745062444656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18682282569 (or 18682282563 counting only the distinct ones).

The product of its (nonzero) digits is 154828800, while the sum is 59.

The spelling of 42745062444656 in words is "forty-two trillion, seven hundred forty-five billion, sixty-two million, four hundred forty-four thousand, six hundred fifty-six".