4181689340 has 24 divisors (see below), whose sum is σ = 9163355040. Its totient is φ = 1599950528.

The previous prime is 4181689339. The next prime is 4181689349. The reversal of 4181689340 is 439861814.

It is a junction number, because it is equal to n+sod(n) for n = 4181689291 and 4181689300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4181689349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4544855 + ... + 4545774.

It is an arithmetic number, because the mean of its divisors is an integer number (381806460).

Almost surely, 2^4181689340 is an apocalyptic number.

It is an amenable number.

4181689340 is an abundant number, since it is smaller than the sum of its proper divisors (4981665700).

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

4181689340 is a wasteful number, since it uses less digits than its factorization.

4181689340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9090661 (or 9090659 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 4181689340 is about 64665.9828658005. The cubic root of 4181689340 is about 1611.0805523530.

The spelling of 4181689340 in words is "four billion, one hundred eighty-one million, six hundred eighty-nine thousand, three hundred forty".