400004435343 has 8 divisors (see below), whose sum is σ = 535159518768. Its totient is φ = 265759487744.

The previous prime is 400004435317. The next prime is 400004435353. The reversal of 400004435343 is 343534400004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 400004435343 - 2⁸ = 400004435087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 400004435343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400004435353) 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, 227532930 + ... + 227534687.

It is an arithmetic number, because the mean of its divisors is an integer number (66894939846).

Almost surely, 2^400004435343 is an apocalyptic number.

400004435343 is a deficient number, since it is larger than the sum of its proper divisors (135155083425).

400004435343 is a wasteful number, since it uses less digits than its factorization.

400004435343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455067913.

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 400004435343 its reverse (343534400004), we get a palindrome (743538835347).

The spelling of 400004435343 in words is "four hundred billion, four million, four hundred thirty-five thousand, three hundred forty-three".