401243524215344 has 20 divisors (see below), whose sum is σ = 777413876988096. Its totient is φ = 200620588218432.

The previous prime is 401243524215323. The next prime is 401243524215409. The reversal of 401243524215344 is 443512425342104.

It is a junction number, because it is equal to n+sod(n) for n = 401243524215295 and 401243524215304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70544879 + ... + 76020174.

Almost surely, 2^{401243524215344} is an apocalyptic number.

It is an amenable number.

401243524215344 is a deficient number, since it is larger than the sum of its proper divisors (376170352772752).

401243524215344 is a wasteful number, since it uses less digits than its factorization.

401243524215344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146736164 (or 146736158 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 44.

Adding to 401243524215344 its reverse (443512425342104), we get a palindrome (844755949557448).

The spelling of 401243524215344 in words is "four hundred one trillion, two hundred forty-three billion, five hundred twenty-four million, two hundred fifteen thousand, three hundred forty-four".