404240033052231 has 32 divisors (see below), whose sum is σ = 561818069342208. Its totient is φ = 258249948865920.

The previous prime is 404240033052217. The next prime is 404240033052239. The reversal of 404240033052231 is 132250330042404.

It is not a de Polignac number, because 404240033052231 - 2²⁷ = 404239898834503 is a prime.

It is a super-2 number, since 2×404240033052231² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 404240033052192 and 404240033052201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404240033052239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13959585 + ... + 31675701.

It is an arithmetic number, because the mean of its divisors is an integer number (17556814666944).

Almost surely, 2^{404240033052231} is an apocalyptic number.

404240033052231 is a deficient number, since it is larger than the sum of its proper divisors (157578036289977).

404240033052231 is a wasteful number, since it uses less digits than its factorization.

404240033052231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17718551.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 404240033052231 its reverse (132250330042404), we get a palindrome (536490363094635).

The spelling of 404240033052231 in words is "four hundred four trillion, two hundred forty billion, thirty-three million, fifty-two thousand, two hundred thirty-one".