402431422211 has 96 divisors (see below), whose sum is σ = 564694548480. Its totient is φ = 279215164800.

The previous prime is 402431422091. The next prime is 402431422213. The reversal of 402431422211 is 112224134204.

It is not a de Polignac number, because 402431422211 - 2¹⁸ = 402431160067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402431422213) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 16013546 + ... + 16038656.

It is an arithmetic number, because the mean of its divisors is an integer number (5882234880).

Almost surely, 2^402431422211 is an apocalyptic number.

402431422211 is a deficient number, since it is larger than the sum of its proper divisors (162263126269).

402431422211 is a wasteful number, since it uses less digits than its factorization.

402431422211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25217 (or 25204 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 402431422211 its reverse (112224134204), we get a palindrome (514655556415).

The spelling of 402431422211 in words is "four hundred two billion, four hundred thirty-one million, four hundred twenty-two thousand, two hundred eleven".