4144477455 has 16 divisors (see below), whose sum is σ = 7367960160. Its totient is φ = 2210387904.

The previous prime is 4144477453. The next prime is 4144477489. The reversal of 4144477455 is 5547744414.

It is not a de Polignac number, because 4144477455 - 2¹ = 4144477453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4144477455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4144477453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15349782 + ... + 15350051.

It is an arithmetic number, because the mean of its divisors is an integer number (460497510).

Almost surely, 2^4144477455 is an apocalyptic number.

4144477455 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4144477455 is a deficient number, since it is larger than the sum of its proper divisors (3223482705).

4144477455 is a wasteful number, since it uses less digits than its factorization.

4144477455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30699847 (or 30699841 counting only the distinct ones).

The product of its digits is 1254400, while the sum is 45.

The square root of 4144477455 is about 64377.6161021826. The cubic root of 4144477455 is about 1606.2874289047.

The spelling of 4144477455 in words is "four billion, one hundred forty-four million, four hundred seventy-seven thousand, four hundred fifty-five".