4244020505 has 16 divisors (see below), whose sum is σ = 5445803664. Its totient is φ = 3163852800.

The previous prime is 4244020499. The next prime is 4244020507. The reversal of 4244020505 is 5050204424.

It can be written as a sum of positive squares in 8 ways, for example, as 1952579344 + 2291441161 = 44188^2 + 47869^2 .

It is not a de Polignac number, because 4244020505 - 2⁶ = 4244020441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4244020507) 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, 238592 + ... + 255761.

It is an arithmetic number, because the mean of its divisors is an integer number (340362729).

Almost surely, 2^4244020505 is an apocalyptic number.

It is an amenable number.

4244020505 is a deficient number, since it is larger than the sum of its proper divisors (1201783159).

4244020505 is a wasteful number, since it uses less digits than its factorization.

4244020505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494476.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 4244020505 is about 65146.1472767193. The cubic root of 4244020505 is about 1619.0458875250.

Adding to 4244020505 its reverse (5050204424), we get a palindrome (9294224929).

The spelling of 4244020505 in words is "four billion, two hundred forty-four million, twenty thousand, five hundred five".