400224424056 has 16 divisors (see below), whose sum is σ = 1000561060200. Its totient is φ = 133408141344.

The previous prime is 400224424051. The next prime is 400224424081. The reversal of 400224424056 is 650424422004.

It is a super-2 number, since 2×400224424056² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400224424051) 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, 8338008811 + ... + 8338008858.

Almost surely, 2^400224424056 is an apocalyptic number.

It is an amenable number.

400224424056 is an abundant number, since it is smaller than the sum of its proper divisors (600336636144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400224424056 is a wasteful number, since it uses less digits than its factorization.

400224424056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16676017678 (or 16676017674 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

The spelling of 400224424056 in words is "four hundred billion, two hundred twenty-four million, four hundred twenty-four thousand, fifty-six".