401144342113244 has 24 divisors (see below), whose sum is σ = 717196835331648. Its totient is φ = 196251583919040.

The previous prime is 401144342113241. The next prime is 401144342113303. The reversal of 401144342113244 is 442311243441104.

It is a junction number, because it is equal to n+sod(n) for n = 401144342113198 and 401144342113207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401144342113241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2577838127 + ... + 2577993734.

It is an arithmetic number, because the mean of its divisors is an integer number (29883201472152).

Almost surely, 2^{401144342113244} is an apocalyptic number.

It is an amenable number.

401144342113244 is a deficient number, since it is larger than the sum of its proper divisors (316052493218404).

401144342113244 is a wasteful number, since it uses less digits than its factorization.

401144342113244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5155832285 (or 5155832283 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 38.

Adding to 401144342113244 its reverse (442311243441104), we get a palindrome (843455585554348).

The spelling of 401144342113244 in words is "four hundred one trillion, one hundred forty-four billion, three hundred forty-two million, one hundred thirteen thousand, two hundred forty-four".