8867381040 has 840 divisors, whose sum is σ = 37545074640. Its totient is φ = 1938650112.

The previous prime is 8867381021. The next prime is 8867381041. The reversal of 8867381040 is 401837688.

It is a tau number, because it is divible by the number of its divisors (840).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8867381041) by changing a digit.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 82872667 + ... + 82872773.

Almost surely, 2^8867381040 is an apocalyptic number.

8867381040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8867381040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18772537320).

8867381040 is an abundant number, since it is smaller than the sum of its proper divisors (28677693600).

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

8867381040 is a wasteful number, since it uses less digits than its factorization.

8867381040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 8867381040 is about 94166.7724837164. The cubic root of 8867381040 is about 2069.8162407766.

It can be divided in two parts, 886738 and 1040, that added together give a triangular number (887778 = T₁₃₃₂).

The spelling of 8867381040 in words is "eight billion, eight hundred sixty-seven million, three hundred eighty-one thousand, forty".