515239496340 has 48 divisors (see below), whose sum is σ = 1443247387008. Its totient is φ = 137342265984.

The previous prime is 515239496329. The next prime is 515239496357. The reversal of 515239496340 is 43694932515.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1565227 + ... + 1865586.

It is an arithmetic number, because the mean of its divisors is an integer number (30067653896).

Almost surely, 2^515239496340 is an apocalyptic number.

It is an amenable number.

515239496340 is an abundant number, since it is smaller than the sum of its proper divisors (928007890668).

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

515239496340 is a wasteful number, since it uses less digits than its factorization.

515239496340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3433328 (or 3433326 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 51.

The spelling of 515239496340 in words is "five hundred fifteen billion, two hundred thirty-nine million, four hundred ninety-six thousand, three hundred forty".