515032308940 has 12 divisors (see below), whose sum is σ = 1081567848816. Its totient is φ = 206012923568.

The previous prime is 515032308893. The next prime is 515032308949. The reversal of 515032308940 is 49803230515.

It is a junction number, because it is equal to n+sod(n) for n = 515032308893 and 515032308902.

It is not an unprimeable number, because it can be changed into a prime (515032308949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12875807704 + ... + 12875807743.

It is an arithmetic number, because the mean of its divisors is an integer number (90130654068).

Almost surely, 2^515032308940 is an apocalyptic number.

It is an amenable number.

515032308940 is an abundant number, since it is smaller than the sum of its proper divisors (566535539876).

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

515032308940 is a wasteful number, since it uses less digits than its factorization.

515032308940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25751615456 (or 25751615454 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 515032308940 in words is "five hundred fifteen billion, thirty-two million, three hundred eight thousand, nine hundred forty".