4244277881 has 4 divisors (see below), whose sum is σ = 4358988132. Its totient is φ = 4129567632.

The previous prime is 4244277839. The next prime is 4244277887. The reversal of 4244277881 is 1887724424.

4244277881 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3955277881 + 289000000 = 62891^2 + 17000^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4244277881 is a prime.

It is a super-2 number, since 2×4244277881² = 36027789462291700322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4244277887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57355070 + ... + 57355143.

It is an arithmetic number, because the mean of its divisors is an integer number (1089747033).

Almost surely, 2^4244277881 is an apocalyptic number.

It is an amenable number.

4244277881 is a deficient number, since it is larger than the sum of its proper divisors (114710251).

4244277881 is a wasteful number, since it uses less digits than its factorization.

4244277881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114710250.

The product of its digits is 802816, while the sum is 47.

The square root of 4244277881 is about 65148.1226206865. The cubic root of 4244277881 is about 1619.0786155424.

The spelling of 4244277881 in words is "four billion, two hundred forty-four million, two hundred seventy-seven thousand, eight hundred eighty-one".