401132443424 has 12 divisors (see below), whose sum is σ = 789729498054. Its totient is φ = 200566221696.

The previous prime is 401132443421. The next prime is 401132443427. The reversal of 401132443424 is 424344231104.

It is an interprime number because it is at equal distance from previous prime (401132443421) and next prime (401132443427).

It can be written as a sum of positive squares in only one way, i.e., 217547616400 + 183584827024 = 466420^2 + 428468^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 12535388857 = 401132443424 / (4 + 0 + 1 + 1 + 3 + 2 + 4 + 4 + 3 + 4 + 2 + 4).

It is not an unprimeable number, because it can be changed into a prime (401132443421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6267694397 + ... + 6267694460.

Almost surely, 2^401132443424 is an apocalyptic number.

It is an amenable number.

401132443424 is a deficient number, since it is larger than the sum of its proper divisors (388597054630).

401132443424 is a wasteful number, since it uses less digits than its factorization.

401132443424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12535388867 (or 12535388859 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 401132443424 its reverse (424344231104), we get a palindrome (825476674528).

The spelling of 401132443424 in words is "four hundred one billion, one hundred thirty-two million, four hundred forty-three thousand, four hundred twenty-four".