5135540640 has 48 divisors (see below), whose sum is σ = 16176954528. Its totient is φ = 1369477376.

The previous prime is 5135540639. The next prime is 5135540741. The reversal of 5135540640 is 460455315.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5349042 + ... + 5350001.

It is an arithmetic number, because the mean of its divisors is an integer number (337019886).

Almost surely, 2^5135540640 is an apocalyptic number.

It is an amenable number.

5135540640 is an abundant number, since it is smaller than the sum of its proper divisors (11041413888).

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

5135540640 is a wasteful number, since it uses less digits than its factorization.

5135540640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10699061 (or 10699053 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 5135540640 is about 71662.6865251366. The cubic root of 5135540640 is about 1725.2898080609.

Adding to 5135540640 its reverse (460455315), we get a palindrome (5595995955).

The spelling of 5135540640 in words is "five billion, one hundred thirty-five million, five hundred forty thousand, six hundred forty".