401142055 has 16 divisors (see below), whose sum is σ = 493393824. Its totient is φ = 312923520.

The previous prime is 401142031. The next prime is 401142061. The reversal of 401142055 is 550241104.

It is not a de Polignac number, because 401142055 - 2⁵ = 401142023 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 15 ways as a sum of consecutive naturals, for example, 170185 + ... + 172525.

It is an arithmetic number, because the mean of its divisors is an integer number (30837114).

Almost surely, 2^401142055 is an apocalyptic number.

401142055 is a deficient number, since it is larger than the sum of its proper divisors (92251769).

401142055 is a wasteful number, since it uses less digits than its factorization.

401142055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3186.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 401142055 is about 20028.5310245160. The cubic root of 401142055 is about 737.5068611829.

Adding to 401142055 its reverse (550241104), we get a palindrome (951383159).

The spelling of 401142055 in words is "four hundred one million, one hundred forty-two thousand, fifty-five".