8367140040 has 192 divisors, whose sum is σ = 29989569600. Its totient is φ = 1860751872.

The previous prime is 8367139997. The next prime is 8367140081. The reversal of 8367140040 is 400417638.

It is a junction number, because it is equal to n+sod(n) for n = 8367139983 and 8367140010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 198331 + ... + 236789.

It is an arithmetic number, because the mean of its divisors is an integer number (156195675).

Almost surely, 2^8367140040 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 8367140040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14994784800).

8367140040 is an abundant number, since it is smaller than the sum of its proper divisors (21622429560).

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

8367140040 is a wasteful number, since it uses less digits than its factorization.

8367140040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38524 (or 38513 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 8367140040 is about 91472.0724593031. The cubic root of 8367140040 is about 2030.1385557430.

Adding to 8367140040 its reverse (400417638), we get a palindrome (8767557678).

The spelling of 8367140040 in words is "eight billion, three hundred sixty-seven million, one hundred forty thousand, forty".