400543235234 has 8 divisors (see below), whose sum is σ = 605545678848. Its totient is φ = 198694675620.

The previous prime is 400543235201. The next prime is 400543235291. The reversal of 400543235234 is 432532345004.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 400543235194 and 400543235203.

It is an unprimeable number.

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, 788470682 + ... + 788471189.

It is an arithmetic number, because the mean of its divisors is an integer number (75693209856).

Almost surely, 2^400543235234 is an apocalyptic number.

400543235234 is a deficient number, since it is larger than the sum of its proper divisors (205002443614).

400543235234 is a wasteful number, since it uses less digits than its factorization.

400543235234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576942000.

The product of its (nonzero) digits is 172800, while the sum is 35.

The spelling of 400543235234 in words is "four hundred billion, five hundred forty-three million, two hundred thirty-five thousand, two hundred thirty-four".