401171326 has 24 divisors (see below), whose sum is σ = 633555720. Its totient is φ = 190290576.

The previous prime is 401171317. The next prime is 401171383. The reversal of 401171326 is 623171104.

It is a self number, because there is not a number n which added to its sum of digits gives 401171326.

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 11 ways as a sum of consecutive naturals, for example, 200905 + ... + 202891.

It is an arithmetic number, because the mean of its divisors is an integer number (26398155).

Almost surely, 2^401171326 is an apocalyptic number.

401171326 is a deficient number, since it is larger than the sum of its proper divisors (232384394).

401171326 is a wasteful number, since it uses less digits than its factorization.

401171326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136 (or 2077 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 401171326 is about 20029.2617437588. The cubic root of 401171326 is about 737.5247991661.

The spelling of 401171326 in words is "four hundred one million, one hundred seventy-one thousand, three hundred twenty-six".