9518980639340 has 24 divisors (see below), whose sum is σ = 20317561957392. Its totient is φ = 3745172710080.

The previous prime is 9518980639339. The next prime is 9518980639393. The reversal of 9518980639340 is 439360898159.

9518980639340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9518980639340² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3901220354 + ... + 3901222793.

It is an arithmetic number, because the mean of its divisors is an integer number (846565081558).

Almost surely, 2^{9518980639340} is an apocalyptic number.

It is an amenable number.

9518980639340 is an abundant number, since it is smaller than the sum of its proper divisors (10798581318052).

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

9518980639340 is a wasteful number, since it uses less digits than its factorization.

9518980639340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7802443217 (or 7802443215 counting only the distinct ones).

The product of its (nonzero) digits is 50388480, while the sum is 65.

The spelling of 9518980639340 in words is "nine trillion, five hundred eighteen billion, nine hundred eighty million, six hundred thirty-nine thousand, three hundred forty".