401552423361 has 6 divisors (see below), whose sum is σ = 580020167090. Its totient is φ = 267701615568.

The previous prime is 401552423357. The next prime is 401552423429. The reversal of 401552423361 is 163324255104.

401552423361 is a `hidden beast` number, since 4 + 0 + 1 + 55 + 242 + 3 + 361 = 666.

It can be written as a sum of positive squares in only one way, i.e., 378509183361 + 23043240000 = 615231^2 + 151800^2 .

It is not a de Polignac number, because 401552423361 - 2² = 401552423357 is a prime.

It is a super-2 number, since 2×401552423361² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401552423761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22308467956 + ... + 22308467973.

Almost surely, 2^401552423361 is an apocalyptic number.

It is an amenable number.

401552423361 is a deficient number, since it is larger than the sum of its proper divisors (178467743729).

401552423361 is a wasteful number, since it uses less digits than its factorization.

401552423361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44616935935 (or 44616935932 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 401552423361 its reverse (163324255104), we get a palindrome (564876678465).

The spelling of 401552423361 in words is "four hundred one billion, five hundred fifty-two million, four hundred twenty-three thousand, three hundred sixty-one".