4400487869 has 8 divisors (see below), whose sum is σ = 4638121560. Its totient is φ = 4168580416.

The previous prime is 4400487803. The next prime is 4400487877. The reversal of 4400487869 is 9687840044.

4400487869 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 885776644 + 3514711225 = 29762^2 + 59285^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4400487869 - 2⁸ = 4400487613 is a prime.

It is a super-2 number, since 2×4400487869² = 38728586970432322322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4400487899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1429982 + ... + 1433055.

It is an arithmetic number, because the mean of its divisors is an integer number (579765195).

Almost surely, 2^4400487869 is an apocalyptic number.

It is an amenable number.

4400487869 is a deficient number, since it is larger than the sum of its proper divisors (237633691).

4400487869 is a wasteful number, since it uses less digits than its factorization.

4400487869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863119.

The product of its (nonzero) digits is 1548288, while the sum is 50.

The square root of 4400487869 is about 66336.1731561295. The cubic root of 4400487869 is about 1638.7031028189.

The spelling of 4400487869 in words is "four billion, four hundred million, four hundred eighty-seven thousand, eight hundred sixty-nine".