8533374381000 has 2304 divisors, whose sum is σ = 36476256960000. Its totient is φ = 1827086284800.

The previous prime is 8533374380989. The next prime is 8533374381001. The reversal of 8533374381000 is 1834733358.

8533374381000 is a `hidden beast` number, since 8 + 533 + 3 + 7 + 4 + 3 + 8 + 100 + 0 = 666.

It is a super-2 number, since 2×8533374381000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (8533374381001) by changing a digit.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 57270968926 + ... + 57270969074.

It is an arithmetic number, because the mean of its divisors is an integer number (15831708750).

Almost surely, 2^{8533374381000} 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 8533374381000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18238128480000).

8533374381000 is an abundant number, since it is smaller than the sum of its proper divisors (27942882579000).

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

8533374381000 is a wasteful number, since it uses less digits than its factorization.

8533374381000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 8533374381000 in words is "eight trillion, five hundred thirty-three billion, three hundred seventy-four million, three hundred eighty-one thousand".