400004545022 has 16 divisors (see below), whose sum is σ = 607317363744. Its totient is φ = 197580060000.

The previous prime is 400004545021. The next prime is 400004545033. The reversal of 400004545022 is 220545400004.

It is a junction number, because it is equal to n+sod(n) for n = 400004544982 and 400004545000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400004545021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3604229 + ... + 3713552.

It is an arithmetic number, because the mean of its divisors is an integer number (37957335234).

Almost surely, 2^400004545022 is an apocalyptic number.

400004545022 is a deficient number, since it is larger than the sum of its proper divisors (207312818722).

400004545022 is a wasteful number, since it uses less digits than its factorization.

400004545022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7318115.

The product of its (nonzero) digits is 6400, while the sum is 26.

Adding to 400004545022 its reverse (220545400004), we get a palindrome (620549945026).

The spelling of 400004545022 in words is "four hundred billion, four million, five hundred forty-five thousand, twenty-two".