545621839038 has 48 divisors (see below), whose sum is σ = 1189848756096. Its totient is φ = 180698055120.

The previous prime is 545621839033. The next prime is 545621839109. The reversal of 545621839038 is 830938126545.

545621839038 is a `hidden beast` number, since 5 + 4 + 5 + 6 + 218 + 390 + 38 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545621839033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1559845 + ... + 1877327.

It is an arithmetic number, because the mean of its divisors is an integer number (24788515752).

Almost surely, 2^545621839038 is an apocalyptic number.

545621839038 is an abundant number, since it is smaller than the sum of its proper divisors (644226917058).

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

545621839038 is a wasteful number, since it uses less digits than its factorization.

545621839038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318109 (or 318106 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The spelling of 545621839038 in words is "five hundred forty-five billion, six hundred twenty-one million, eight hundred thirty-nine thousand, thirty-eight".