9738727898240 has 64 divisors (see below), whose sum is σ = 25398159707520. Its totient is φ = 3541355596800.

The previous prime is 9738727898239. The next prime is 9738727898243. The reversal of 9738727898240 is 428987278379.

9738727898240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (9738727898243) 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, 691663976 + ... + 691678055.

It is an arithmetic number, because the mean of its divisors is an integer number (396846245430).

Almost surely, 2^{9738727898240} is an apocalyptic number.

It is an amenable number.

9738727898240 is an abundant number, since it is smaller than the sum of its proper divisors (15659431809280).

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

9738727898240 is a wasteful number, since it uses less digits than its factorization.

9738727898240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383342061 (or 1383342049 counting only the distinct ones).

The product of its (nonzero) digits is 682795008, while the sum is 74.

The spelling of 9738727898240 in words is "nine trillion, seven hundred thirty-eight billion, seven hundred twenty-seven million, eight hundred ninety-eight thousand, two hundred forty".