9313981380240 has 40 divisors (see below), whose sum is σ = 28873342279488. Its totient is φ = 2483728368000.

The previous prime is 9313981380227. The next prime is 9313981380293. The reversal of 9313981380240 is 420831893139.

It is a tau number, because it is divible by the number of its divisors (40).

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, 19404127636 + ... + 19404128115.

Almost surely, 2^{9313981380240} is an apocalyptic number.

It is an amenable number.

9313981380240 is an abundant number, since it is smaller than the sum of its proper divisors (19559360899248).

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

9313981380240 is a wasteful number, since it uses less digits than its factorization.

9313981380240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38808255767 (or 38808255761 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 51.

The spelling of 9313981380240 in words is "nine trillion, three hundred thirteen billion, nine hundred eighty-one million, three hundred eighty thousand, two hundred forty".