400224225415 has 24 divisors (see below), whose sum is σ = 591543903312. Its totient is φ = 258295968000.

The previous prime is 400224225403. The next prime is 400224225421. The reversal of 400224225415 is 514522422004.

It is not a de Polignac number, because 400224225415 - 2⁷ = 400224225287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 48041961 + ... + 48050290.

It is an arithmetic number, because the mean of its divisors is an integer number (24647662638).

Almost surely, 2^400224225415 is an apocalyptic number.

400224225415 is a deficient number, since it is larger than the sum of its proper divisors (191319677897).

400224225415 is a wasteful number, since it uses less digits than its factorization.

400224225415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96092287 (or 96092280 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 400224225415 its reverse (514522422004), we get a palindrome (914746647419).

The spelling of 400224225415 in words is "four hundred billion, two hundred twenty-four million, two hundred twenty-five thousand, four hundred fifteen".