401444055 has 24 divisors (see below), whose sum is σ = 697291920. Its totient is φ = 213655680.

The previous prime is 401444041. The next prime is 401444089. The reversal of 401444055 is 550444104.

It is not a de Polignac number, because 401444055 - 2¹⁷ = 401312983 is a prime.

It is a super-3 number, since 3×401444055³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13011 + ... + 31179.

It is an arithmetic number, because the mean of its divisors is an integer number (29053830).

Almost surely, 2^401444055 is an apocalyptic number.

401444055 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

401444055 is a deficient number, since it is larger than the sum of its proper divisors (295847865).

401444055 is a wasteful number, since it uses less digits than its factorization.

401444055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18671 (or 18668 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 401444055 is about 20036.0688509498. The cubic root of 401444055 is about 737.6918922289.

Adding to 401444055 its reverse (550444104), we get a palindrome (951888159).

The spelling of 401444055 in words is "four hundred one million, four hundred forty-four thousand, fifty-five".