401344455 has 8 divisors (see below), whose sum is σ = 642151152. Its totient is φ = 214050368.

The previous prime is 401344453. The next prime is 401344519. The reversal of 401344455 is 554443104.

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 401344455 - 2¹ = 401344453 is a prime.

It is a super-2 number, since 2×401344455² = 322154743118494050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401344453) by changing a digit.

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, 13378134 + ... + 13378163.

It is an arithmetic number, because the mean of its divisors is an integer number (80268894).

Almost surely, 2^401344455 is an apocalyptic number.

401344455 is a deficient number, since it is larger than the sum of its proper divisors (240806697).

401344455 is a wasteful number, since it uses less digits than its factorization.

401344455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26756305.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 401344455 is about 20033.5831792518. The cubic root of 401344455 is about 737.6308790036.

Adding to 401344455 its reverse (554443104), we get a palindrome (955787559).

The spelling of 401344455 in words is "four hundred one million, three hundred forty-four thousand, four hundred fifty-five".