9381372540408 has 192 divisors, whose sum is σ = 27908567406720. Its totient is φ = 2823330297600.

The previous prime is 9381372540373. The next prime is 9381372540451. The reversal of 9381372540408 is 8040452731839.

It is a happy number.

9381372540408 is a `hidden beast` number, since 9 + 381 + 3 + 7 + 254 + 0 + 4 + 0 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67281243 + ... + 67420533.

It is an arithmetic number, because the mean of its divisors is an integer number (145357121910).

Almost surely, 2^{9381372540408} 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 9381372540408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13954283703360).

9381372540408 is an abundant number, since it is smaller than the sum of its proper divisors (18527194866312).

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

9381372540408 is a wasteful number, since it uses less digits than its factorization.

9381372540408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139898 (or 139891 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 9381372540408 in words is "nine trillion, three hundred eighty-one billion, three hundred seventy-two million, five hundred forty thousand, four hundred eight".