9731390484480 has 832 divisors, whose sum is σ = 38000788070400. Its totient is φ = 2078256660480.

The previous prime is 9731390484427. The next prime is 9731390484481. The reversal of 9731390484480 is 844840931379.

It is a super-2 number, since 2×9731390484480² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (9731390484481) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 386629336 + ... + 386654504.

Almost surely, 2^{9731390484480} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9731390484480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19000394035200).

9731390484480 is an abundant number, since it is smaller than the sum of its proper divisors (28269397585920).

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

9731390484480 is a wasteful number, since it uses less digits than its factorization.

9731390484480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25268 (or 25246 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 60.

The spelling of 9731390484480 in words is "nine trillion, seven hundred thirty-one billion, three hundred ninety million, four hundred eighty-four thousand, four hundred eighty".