545140140510204 has 144 divisors (see below), whose sum is σ = 1430811707340288. Its totient is φ = 181486937760768.

The previous prime is 545140140510197. The next prime is 545140140510353. The reversal of 545140140510204 is 402015041041545.

545140140510204 is a `hidden beast` number, since 5 + 4 + 5 + 1 + 40 + 1 + 405 + 1 + 0 + 204 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2818811199 + ... + 2819004585.

Almost surely, 2^{545140140510204} is an apocalyptic number.

545140140510204 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545140140510204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (715405853670144).

545140140510204 is an abundant number, since it is smaller than the sum of its proper divisors (885671566830084).

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

545140140510204 is a wasteful number, since it uses less digits than its factorization.

545140140510204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197006 (or 196992 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

Adding to 545140140510204 its reverse (402015041041545), we get a palindrome (947155181551749).

The spelling of 545140140510204 in words is "five hundred forty-five trillion, one hundred forty billion, one hundred forty million, five hundred ten thousand, two hundred four".