515614016140 has 24 divisors (see below), whose sum is σ = 1120127001840. Its totient is φ = 199133688768.

The previous prime is 515614016117. The next prime is 515614016149. The reversal of 515614016140 is 41610416515.

It is a junction number, because it is equal to n+sod(n) for n = 515614016096 and 515614016105.

It is not an unprimeable number, because it can be changed into a prime (515614016149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444494262 + ... + 444495421.

It is an arithmetic number, because the mean of its divisors is an integer number (46671958410).

Almost surely, 2^515614016140 is an apocalyptic number.

It is an amenable number.

515614016140 is an abundant number, since it is smaller than the sum of its proper divisors (604512985700).

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

515614016140 is a wasteful number, since it uses less digits than its factorization.

515614016140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888989721 (or 888989719 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The spelling of 515614016140 in words is "five hundred fifteen billion, six hundred fourteen million, sixteen thousand, one hundred forty".