400432235233441 has 4 divisors (see below), whose sum is σ = 423987072600132. Its totient is φ = 376877397866752.

The previous prime is 400432235233379. The next prime is 400432235233451. The reversal of 400432235233441 is 144332532234004.

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 220614460785216 + 179817774448225 = 14853096^2 + 13409615^2 .

It is a cyclic number.

It is not a de Polignac number, because 400432235233441 - 2⁷ = 400432235233313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 400432235233394 and 400432235233403.

It is not an unprimeable number, because it can be changed into a prime (400432235233451) 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, 11777418683320 + ... + 11777418683353.

It is an arithmetic number, because the mean of its divisors is an integer number (105996768150033).

Almost surely, 2^{400432235233441} is an apocalyptic number.

It is an amenable number.

400432235233441 is a deficient number, since it is larger than the sum of its proper divisors (23554837366691).

400432235233441 is a wasteful number, since it uses less digits than its factorization.

400432235233441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23554837366690.

The product of its (nonzero) digits is 829440, while the sum is 40.

Adding to 400432235233441 its reverse (144332532234004), we get a palindrome (544764767467445).

The spelling of 400432235233441 in words is "four hundred trillion, four hundred thirty-two billion, two hundred thirty-five million, two hundred thirty-three thousand, four hundred forty-one".