402134431204 has 12 divisors (see below), whose sum is σ = 767711186928. Its totient is φ = 182788377800.

The previous prime is 402134431187. The next prime is 402134431207.

402134431204 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (402134431207) 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 3 ways as a sum of consecutive naturals, for example, 4569709402 + ... + 4569709489.

It is an arithmetic number, because the mean of its divisors is an integer number (63975932244).

Almost surely, 2^402134431204 is an apocalyptic number.

402134431204 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

402134431204 is a deficient number, since it is larger than the sum of its proper divisors (365576755724).

402134431204 is a wasteful number, since it uses less digits than its factorization.

402134431204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9139418906 (or 9139418904 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

It can be divided in two parts, 402134 and 431204, that added together give a palindrome (833338).

The spelling of 402134431204 in words is "four hundred two billion, one hundred thirty-four million, four hundred thirty-one thousand, two hundred four".