401341626673 has 24 divisors (see below), whose sum is σ = 449005447800. Its totient is φ = 356190750720.

The previous prime is 401341626661. The next prime is 401341626733. The reversal of 401341626673 is 376626143104.

It can be written as a sum of positive squares in 12 ways, for example, as 38084693409 + 363256933264 = 195153^2 + 602708^2 .

It is not a de Polignac number, because 401341626673 - 2²⁵ = 401308072241 is a prime.

It is a super-2 number, since 2×401341626673² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401341626073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21887373 + ... + 21905701.

It is an arithmetic number, because the mean of its divisors is an integer number (18708560325).

Almost surely, 2^401341626673 is an apocalyptic number.

It is an amenable number.

401341626673 is a deficient number, since it is larger than the sum of its proper divisors (47663821127).

401341626673 is a wasteful number, since it uses less digits than its factorization.

401341626673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18853 (or 18612 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 43.

Adding to 401341626673 its reverse (376626143104), we get a palindrome (777967769777).

The spelling of 401341626673 in words is "four hundred one billion, three hundred forty-one million, six hundred twenty-six thousand, six hundred seventy-three".