440438054 has 16 divisors (see below), whose sum is σ = 765381408. Its totient is φ = 186172992.

The previous prime is 440438039. The next prime is 440438059. The reversal of 440438054 is 450834044.

It is a super-2 number, since 2×440438054² = 387971358822613832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 440438054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440438059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214457 + ... + 216500.

It is an arithmetic number, because the mean of its divisors is an integer number (47836338).

Almost surely, 2^440438054 is an apocalyptic number.

440438054 is a deficient number, since it is larger than the sum of its proper divisors (324943354).

440438054 is a wasteful number, since it uses less digits than its factorization.

440438054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431039.

The product of its (nonzero) digits is 30720, while the sum is 32.

The square root of 440438054 is about 20986.6160683422. The cubic root of 440438054 is about 760.8428173037.

The spelling of 440438054 in words is "four hundred forty million, four hundred thirty-eight thousand, fifty-four".