401226055 has 8 divisors (see below), whose sum is σ = 482212512. Its totient is φ = 320486688.

The previous prime is 401226013. The next prime is 401226071. The reversal of 401226055 is 550622104.

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 401226055 - 2⁷ = 401225927 is a prime.

It is a Duffinian number.

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, 58179 + ... + 64708.

It is an arithmetic number, because the mean of its divisors is an integer number (60276564).

Almost surely, 2^401226055 is an apocalyptic number.

401226055 is a deficient number, since it is larger than the sum of its proper divisors (80986457).

401226055 is a wasteful number, since it uses less digits than its factorization.

401226055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123545.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 401226055 is about 20030.6279232579. The cubic root of 401226055 is about 737.5583360922.

Adding to 401226055 its reverse (550622104), we get a palindrome (951848159).

The spelling of 401226055 in words is "four hundred one million, two hundred twenty-six thousand, fifty-five".