5340123540 has 72 divisors (see below), whose sum is σ = 16365421800. Its totient is φ = 1409347584.

The previous prime is 5340123511. The next prime is 5340123541. The reversal of 5340123540 is 453210435.

5340123540 is a `hidden beast` number, since 534 + 0 + 123 + 5 + 4 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 53670276 + 5286453264 = 7326^2 + 72708^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5340123541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135465 + ... + 170384.

It is an arithmetic number, because the mean of its divisors is an integer number (227297525).

Almost surely, 2^5340123540 is an apocalyptic number.

It is an amenable number.

5340123540 is an abundant number, since it is smaller than the sum of its proper divisors (11025298260).

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

5340123540 is a wasteful number, since it uses less digits than its factorization.

5340123540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305961 (or 305956 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 5340123540 is about 73076.1489133082. The cubic root of 5340123540 is about 1747.9020890093.

Adding to 5340123540 its reverse (453210435), we get a palindrome (5793333975).

The spelling of 5340123540 in words is "five billion, three hundred forty million, one hundred twenty-three thousand, five hundred forty".