400224225404 has 72 divisors (see below), whose sum is σ = 765552066048. Its totient is φ = 182860532640.

The previous prime is 400224225403. The next prime is 400224225421. The reversal of 400224225404 is 404522422004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400224225403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13727987 + ... + 13757109.

It is an arithmetic number, because the mean of its divisors is an integer number (10632667584).

Almost surely, 2^400224225404 is an apocalyptic number.

It is an amenable number.

400224225404 is a deficient number, since it is larger than the sum of its proper divisors (365327840644).

400224225404 is a wasteful number, since it uses less digits than its factorization.

400224225404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29503 (or 29482 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 29.

Adding to 400224225404 its reverse (404522422004), we get a palindrome (804746647408).

The spelling of 400224225404 in words is "four hundred billion, two hundred twenty-four million, two hundred twenty-five thousand, four hundred four".