42503746154044 has 12 divisors (see below), whose sum is σ = 85007492308144. Its totient is φ = 18215891208864.

The previous prime is 42503746153993. The next prime is 42503746154063. The reversal of 42503746154044 is 44045164730524.

42503746154044 is an admirable number.

It is a congruent number.

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, 758995467009 + ... + 758995467064.

Almost surely, 2^{42503746154044} is an apocalyptic number.

It is an amenable number.

42503746154044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42503746154044 is a wasteful number, since it uses less digits than its factorization.

42503746154044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517990934084 (or 1517990934082 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 49.

The spelling of 42503746154044 in words is "forty-two trillion, five hundred three billion, seven hundred forty-six million, one hundred fifty-four thousand, forty-four".