545642526044 has 54 divisors (see below), whose sum is σ = 1220931573120. Its totient is φ = 212587987920.

The previous prime is 545642526041. The next prime is 545642526083. The reversal of 545642526044 is 440625246545.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 545642526044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545642526041) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11479964 + ... + 11527395.

Almost surely, 2^545642526044 is an apocalyptic number.

It is an amenable number.

545642526044 is an abundant number, since it is smaller than the sum of its proper divisors (675289047076).

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

545642526044 is a wasteful number, since it uses less digits than its factorization.

545642526044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23007399 (or 23007379 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 47.

The spelling of 545642526044 in words is "five hundred forty-five billion, six hundred forty-two million, five hundred twenty-six thousand, forty-four".