42555045364044 has 12 divisors (see below), whose sum is σ = 99295105849464. Its totient is φ = 14185015121344.

The previous prime is 42555045364043. The next prime is 42555045364063. The reversal of 42555045364044 is 44046354055524.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (42555045364043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1773126890157 + ... + 1773126890180.

It is an arithmetic number, because the mean of its divisors is an integer number (8274592154122).

Almost surely, 2^{42555045364044} is an apocalyptic number.

It is an amenable number.

42555045364044 is an abundant number, since it is smaller than the sum of its proper divisors (56740060485420).

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

42555045364044 is a wasteful number, since it uses less digits than its factorization.

42555045364044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3546253780344 (or 3546253780342 counting only the distinct ones).

The product of its (nonzero) digits is 23040000, while the sum is 51.

The spelling of 42555045364044 in words is "forty-two trillion, five hundred fifty-five billion, forty-five million, three hundred sixty-four thousand, forty-four".