440000054 has 16 divisors (see below), whose sum is σ = 720508992. Its totient is φ = 200294208.

The previous prime is 440000047. The next prime is 440000087. The reversal of 440000054 is 450000044.

It is a junction number, because it is equal to n+sod(n) for n = 439999987 and 440000041.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114014 + ... + 117809.

It is an arithmetic number, because the mean of its divisors is an integer number (45031812).

Almost surely, 2^440000054 is an apocalyptic number.

440000054 is a deficient number, since it is larger than the sum of its proper divisors (280508938).

440000054 is a wasteful number, since it uses less digits than its factorization.

440000054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231911.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 440000054 is about 20976.1782505775. The cubic root of 440000054 is about 760.5905232673.

Adding to 440000054 its reverse (450000044), we get a palindrome (890000098).

The spelling of 440000054 in words is "four hundred forty million, fifty-four", and thus it is an aban number.