9281420880732 has 2160 divisors, whose sum is σ = 36360931031040. Its totient is φ = 2036954304000.

The previous prime is 9281420880727. The next prime is 9281420880749. The reversal of 9281420880732 is 2370880241829.

It is a super-2 number, since 2×9281420880732² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 719 ways as a sum of consecutive naturals, for example, 14709066057 + ... + 14709066687.

Almost surely, 2^{9281420880732} 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 9281420880732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18180465515520).

9281420880732 is an abundant number, since it is smaller than the sum of its proper divisors (27079510150308).

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

9281420880732 is a wasteful number, since it uses less digits than its factorization.

9281420880732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746 (or 717 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 9281420880732 in words is "nine trillion, two hundred eighty-one billion, four hundred twenty million, eight hundred eighty thousand, seven hundred thirty-two".