5121535040 has 56 divisors (see below), whose sum is σ = 12307625880. Its totient is φ = 2029805568.

The previous prime is 5121535037. The next prime is 5121535091. The reversal of 5121535040 is 405351215.

It can be written as a sum of positive squares in 4 ways, for example, as 2555504704 + 2566030336 = 50552^2 + 50656^2 .

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, 38537 + ... + 108296.

Almost surely, 2^5121535040 is an apocalyptic number.

It is an amenable number.

5121535040 is an abundant number, since it is smaller than the sum of its proper divisors (7186090840).

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

5121535040 is a wasteful number, since it uses less digits than its factorization.

5121535040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146959 (or 146949 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 5121535040 is about 71564.9008942233. The cubic root of 5121535040 is about 1723.7199818679.

Adding to 5121535040 its reverse (405351215), we get a palindrome (5526886255).

The spelling of 5121535040 in words is "five billion, one hundred twenty-one million, five hundred thirty-five thousand, forty".