7118187840 has 168 divisors, whose sum is σ = 24713488800. Its totient is φ = 1880361984.

The previous prime is 7118187799. The next prime is 7118187847. The reversal of 7118187840 is 487818117.

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 (7118187847) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 296611 + ... + 319709.

It is an arithmetic number, because the mean of its divisors is an integer number (147104100).

Almost surely, 2^7118187840 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 7118187840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12356744400).

7118187840 is an abundant number, since it is smaller than the sum of its proper divisors (17595300960).

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

7118187840 is a wasteful number, since it uses less digits than its factorization.

7118187840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23229 (or 23216 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 45.

The square root of 7118187840 is about 84369.3536777425. The cubic root of 7118187840 is about 1923.6371161630.

The spelling of 7118187840 in words is "seven billion, one hundred eighteen million, one hundred eighty-seven thousand, eight hundred forty".