3440020555 has 8 divisors (see below), whose sum is σ = 4261186944. Its totient is φ = 2663241600.

The previous prime is 3440020541. The next prime is 3440020559. The reversal of 3440020555 is 5550200443.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3440020555 - 2⁹ = 3440020043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3440020559) 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, 11096686 + ... + 11096995.

It is an arithmetic number, because the mean of its divisors is an integer number (532648368).

Almost surely, 2^3440020555 is an apocalyptic number.

3440020555 is a deficient number, since it is larger than the sum of its proper divisors (821166389).

3440020555 is a wasteful number, since it uses less digits than its factorization.

3440020555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22193717.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 3440020555 is about 58651.6884241196. The cubic root of 3440020555 is about 1509.5714695550.

Adding to 3440020555 its reverse (5550200443), we get a palindrome (8990220998).

The spelling of 3440020555 in words is "three billion, four hundred forty million, twenty thousand, five hundred fifty-five".