4421550155 has 16 divisors (see below), whose sum is σ = 5817312000. Its totient is φ = 3199505760.

The previous prime is 4421550137. The next prime is 4421550191. The reversal of 4421550155 is 5510551244.

4421550155 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4421550155 - 2¹⁰ = 4421549131 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191045 + ... + 212934.

It is an arithmetic number, because the mean of its divisors is an integer number (363582000).

Almost surely, 2^4421550155 is an apocalyptic number.

4421550155 is a deficient number, since it is larger than the sum of its proper divisors (1395761845).

4421550155 is a wasteful number, since it uses less digits than its factorization.

4421550155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404194.

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 4421550155 is about 66494.7377993176. The cubic root of 4421550155 is about 1641.3134128337.

The spelling of 4421550155 in words is "four billion, four hundred twenty-one million, five hundred fifty thousand, one hundred fifty-five".