401443144132 has 12 divisors (see below), whose sum is σ = 743850531900. Its totient is φ = 188914420736.

The previous prime is 401443144111. The next prime is 401443144187. The reversal of 401443144132 is 231441344104.

It can be written as a sum of positive squares in 2 ways, for example, as 144205505536 + 257237638596 = 379744^2 + 507186^2 .

It is a super-2 number, since 2×401443144132² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401443144094 and 401443144103.

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 3 ways as a sum of consecutive naturals, for example, 2951787757 + ... + 2951787892.

It is an arithmetic number, because the mean of its divisors is an integer number (61987544325).

Almost surely, 2^401443144132 is an apocalyptic number.

It is an amenable number.

401443144132 is a deficient number, since it is larger than the sum of its proper divisors (342407387768).

401443144132 is a wasteful number, since it uses less digits than its factorization.

401443144132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5903575670 (or 5903575668 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 401443144132 its reverse (231441344104), we get a palindrome (632884488236).

The spelling of 401443144132 in words is "four hundred one billion, four hundred forty-three million, one hundred forty-four thousand, one hundred thirty-two".