401432230431 has 72 divisors (see below), whose sum is σ = 603448438320. Its totient is φ = 257059325952.

The previous prime is 401432230429. The next prime is 401432230469. The reversal of 401432230431 is 134032234104.

401432230431 is a `hidden beast` number, since 4 + 0 + 1 + 4 + 3 + 223 + 0 + 431 = 666.

It is not a de Polignac number, because 401432230431 - 2¹ = 401432230429 is a prime.

It is a super-2 number, since 2×401432230431² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401432230395 and 401432230404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401432230471) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 695722815 + ... + 695723391.

It is an arithmetic number, because the mean of its divisors is an integer number (8381228310).

Almost surely, 2^401432230431 is an apocalyptic number.

401432230431 is a deficient number, since it is larger than the sum of its proper divisors (202016207889).

401432230431 is a wasteful number, since it uses less digits than its factorization.

401432230431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173 (or 1111 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 401432230431 its reverse (134032234104), we get a palindrome (535464464535).

The spelling of 401432230431 in words is "four hundred one billion, four hundred thirty-two million, two hundred thirty thousand, four hundred thirty-one".