405000231443342 has 16 divisors (see below), whose sum is σ = 608881687109280. Its totient is φ = 202040092865952.

The previous prime is 405000231443341. The next prime is 405000231443369. The reversal of 405000231443342 is 243344132000504.

It is a super-2 number, since 2×405000231443342² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405000231443341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104035673 + ... + 107858340.

It is an arithmetic number, because the mean of its divisors is an integer number (38055105444330).

Almost surely, 2^{405000231443342} is an apocalyptic number.

405000231443342 is a deficient number, since it is larger than the sum of its proper divisors (203881455665938).

405000231443342 is a wasteful number, since it uses less digits than its factorization.

405000231443342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211896187.

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 405000231443342 its reverse (243344132000504), we get a palindrome (648344363443846).

The spelling of 405000231443342 in words is "four hundred five trillion, two hundred thirty-one million, four hundred forty-three thousand, three hundred forty-two".