401444133145 has 16 divisors (see below), whose sum is σ = 536708291328. Its totient is φ = 285747466240.

The previous prime is 401444133137. The next prime is 401444133163. The reversal of 401444133145 is 541331444104.

It is not a de Polignac number, because 401444133145 - 2³ = 401444133137 is a prime.

It is a super-2 number, since 2×401444133145² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401444133145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77646184 + ... + 77651353.

It is an arithmetic number, because the mean of its divisors is an integer number (33544268208).

Almost surely, 2^401444133145 is an apocalyptic number.

It is an amenable number.

401444133145 is a deficient number, since it is larger than the sum of its proper divisors (135264158183).

401444133145 is a wasteful number, since it uses less digits than its factorization.

401444133145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155297600.

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 401444133145 its reverse (541331444104), we get a palindrome (942775577249).

The spelling of 401444133145 in words is "four hundred one billion, four hundred forty-four million, one hundred thirty-three thousand, one hundred forty-five".