4094688840 has 256 divisors, whose sum is σ = 13806443520. Its totient is φ = 963056640.

The previous prime is 4094688823. The next prime is 4094688937. The reversal of 4094688840 is 488864904.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7485447 + ... + 7485993.

It is an arithmetic number, because the mean of its divisors is an integer number (53931420).

Almost surely, 2^4094688840 is an apocalyptic number.

4094688840 is a gapful number since it is divisible by the number (40) 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 4094688840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6903221760).

4094688840 is an abundant number, since it is smaller than the sum of its proper divisors (9711754680).

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

4094688840 is a wasteful number, since it uses less digits than its factorization.

4094688840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732 (or 728 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 51.

The square root of 4094688840 is about 63989.7557426187. The cubic root of 4094688840 is about 1599.8292578218.

The spelling of 4094688840 in words is "four billion, ninety-four million, six hundred eighty-eight thousand, eight hundred forty".