4421240155 has 8 divisors (see below), whose sum is σ = 5358018384. Its totient is φ = 3501972000.

The previous prime is 4421240129. The next prime is 4421240179. The reversal of 4421240155 is 5510421244.

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

It is not a de Polignac number, because 4421240155 - 2¹⁷ = 4421109083 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4376961 + ... + 4377970.

It is an arithmetic number, because the mean of its divisors is an integer number (669752298).

Almost surely, 2^4421240155 is an apocalyptic number.

4421240155 is a deficient number, since it is larger than the sum of its proper divisors (936778229).

4421240155 is a wasteful number, since it uses less digits than its factorization.

4421240155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8755037.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 4421240155 is about 66492.4067469361. The cubic root of 4421240155 is about 1641.2750538094.

Adding to 4421240155 its reverse (5510421244), we get a palindrome (9931661399).

The spelling of 4421240155 in words is "four billion, four hundred twenty-one million, two hundred forty thousand, one hundred fifty-five".