400227105044 has 48 divisors (see below), whose sum is σ = 800999330880. Its totient is φ = 173449382400.

The previous prime is 400227105043. The next prime is 400227105067. The reversal of 400227105044 is 440501722004.

It is a super-2 number, since 2×400227105044² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 400227104998 and 400227105016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400227105041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1680782 + ... + 1904069.

It is an arithmetic number, because the mean of its divisors is an integer number (16687486060).

Almost surely, 2^400227105044 is an apocalyptic number.

It is an amenable number.

400227105044 is an abundant number, since it is smaller than the sum of its proper divisors (400772225836).

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

400227105044 is a wasteful number, since it uses less digits than its factorization.

400227105044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3585000 (or 3584998 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 29.

Adding to 400227105044 its reverse (440501722004), we get a palindrome (840728827048).

The spelling of 400227105044 in words is "four hundred billion, two hundred twenty-seven million, one hundred five thousand, forty-four".