4431424155 has 16 divisors (see below), whose sum is σ = 7093441824. Its totient is φ = 2362371840.

The previous prime is 4431424147. The next prime is 4431424157. The reversal of 4431424155 is 5514241344.

It is a happy number.

It is not a de Polignac number, because 4431424155 - 2³ = 4431424147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4431424157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30544 + ... + 98973.

It is an arithmetic number, because the mean of its divisors is an integer number (443340114).

Almost surely, 2^4431424155 is an apocalyptic number.

4431424155 is a deficient number, since it is larger than the sum of its proper divisors (2662017669).

4431424155 is a wasteful number, since it uses less digits than its factorization.

4431424155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131806.

The product of its digits is 38400, while the sum is 33.

The square root of 4431424155 is about 66568.9428712820. The cubic root of 4431424155 is about 1642.5342727339.

Adding to 4431424155 its reverse (5514241344), we get a palindrome (9945665499).

The spelling of 4431424155 in words is "four billion, four hundred thirty-one million, four hundred twenty-four thousand, one hundred fifty-five".