6871818240 has 336 divisors, whose sum is σ = 27234050688. Its totient is φ = 1570111488.

The previous prime is 6871818227. The next prime is 6871818257. The reversal of 6871818240 is 428181786.

It is a tau number, because it is divible by the number of its divisors (336).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2579149 + ... + 2581811.

Almost surely, 2^6871818240 is an apocalyptic number.

6871818240 is a gapful number since it is divisible by the number (60) 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 6871818240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13617025344).

6871818240 is an abundant number, since it is smaller than the sum of its proper divisors (20362232448).

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

6871818240 is a wasteful number, since it uses less digits than its factorization.

6871818240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2707 (or 2680 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 45.

The square root of 6871818240 is about 82896.4308037445. The cubic root of 6871818240 is about 1901.1828497953.

The spelling of 6871818240 in words is "six billion, eight hundred seventy-one million, eight hundred eighteen thousand, two hundred forty".