5204543140240 has 40 divisors (see below), whose sum is σ = 12225310889400. Its totient is φ = 2060355219456.

The previous prime is 5204543140213. The next prime is 5204543140267. The reversal of 5204543140240 is 420413454025.

It is an interprime number because it is at equal distance from previous prime (5204543140213) and next prime (5204543140267).

It can be written as a sum of positive squares in 4 ways, for example, as 7656950016 + 5196886190224 = 87504^2 + 2279668^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 5204543140196 and 5204543140205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335336515 + ... + 335352034.

It is an arithmetic number, because the mean of its divisors is an integer number (305632772235).

Almost surely, 2^{5204543140240} is an apocalyptic number.

It is an amenable number.

5204543140240 is an abundant number, since it is smaller than the sum of its proper divisors (7020767749160).

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

5204543140240 is a wasteful number, since it uses less digits than its factorization.

5204543140240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670688659 (or 670688653 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 5204543140240 its reverse (420413454025), we get a palindrome (5624956594265).

The spelling of 5204543140240 in words is "five trillion, two hundred four billion, five hundred forty-three million, one hundred forty thousand, two hundred forty".