6888808940 has 48 divisors (see below), whose sum is σ = 15606192672. Its totient is φ = 2539170816.

The previous prime is 6888808909. The next prime is 6888808961. The reversal of 6888808940 is 498088886.

It is a super-2 number, since 2×6888808940² = 94911377223647847200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6888808940.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130052 + ... + 175188.

It is an arithmetic number, because the mean of its divisors is an integer number (325129014).

Almost surely, 2^6888808940 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 6888808940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7803096336).

6888808940 is an abundant number, since it is smaller than the sum of its proper divisors (8717383732).

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

6888808940 is a wasteful number, since it uses less digits than its factorization.

6888808940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45746 (or 45744 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 59.

The square root of 6888808940 is about 82998.8490281642. The cubic root of 6888808940 is about 1902.7484636325.

The spelling of 6888808940 in words is "six billion, eight hundred eighty-eight million, eight hundred eight thousand, nine hundred forty".