400304104033 has 4 divisors (see below), whose sum is σ = 402853811860. Its totient is φ = 397754396208.

The previous prime is 400304104027. The next prime is 400304104051. The reversal of 400304104033 is 330401403004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 296144932864 + 104159171169 = 544192^2 + 322737^2 .

It is a cyclic number.

It is not a de Polignac number, because 400304104033 - 2²⁹ = 399767233121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 400304103995 and 400304104013.

It is not an unprimeable number, because it can be changed into a prime (400304104073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1274853678 + ... + 1274853991.

It is an arithmetic number, because the mean of its divisors is an integer number (100713452965).

Almost surely, 2^400304104033 is an apocalyptic number.

It is an amenable number.

400304104033 is a deficient number, since it is larger than the sum of its proper divisors (2549707827).

400304104033 is a wasteful number, since it uses less digits than its factorization.

400304104033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549707826.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 400304104033 its reverse (330401403004), we get a palindrome (730705507037).

The spelling of 400304104033 in words is "four hundred billion, three hundred four million, one hundred four thousand, thirty-three".