440001055 has 48 divisors (see below), whose sum is σ = 615817440. Its totient is φ = 299870208.

The previous prime is 440001019. The next prime is 440001061. The reversal of 440001055 is 550100044.

It is not a de Polignac number, because 440001055 - 2⁹ = 440000543 is a prime.

It is a super-2 number, since 2×440001055² = 387201856802226050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1108117 + ... + 1108513.

It is an arithmetic number, because the mean of its divisors is an integer number (12829530).

Almost surely, 2^440001055 is an apocalyptic number.

440001055 is a deficient number, since it is larger than the sum of its proper divisors (175816385).

440001055 is a wasteful number, since it uses less digits than its factorization.

440001055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 440001055 is about 20976.2021109637. The cubic root of 440001055 is about 760.5911000480.

Adding to 440001055 its reverse (550100044), we get a palindrome (990101099).

The spelling of 440001055 in words is "four hundred forty million, one thousand, fifty-five".