400224320332 has 12 divisors (see below), whose sum is σ = 700786716280. Its totient is φ = 199999544256.

The previous prime is 400224320317. The next prime is 400224320359. The reversal of 400224320332 is 233023422004.

It is a super-2 number, since 2×400224320332² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 400224320297 and 400224320306.

It is an unprimeable number.

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, 28145982 + ... + 28160197.

Almost surely, 2^400224320332 is an apocalyptic number.

It is an amenable number.

400224320332 is a deficient number, since it is larger than the sum of its proper divisors (300562395948).

400224320332 is a wasteful number, since it uses less digits than its factorization.

400224320332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56307960 (or 56307958 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 400224320332 its reverse (233023422004), we get a palindrome (633247742336).

The spelling of 400224320332 in words is "four hundred billion, two hundred twenty-four million, three hundred twenty thousand, three hundred thirty-two".