400002242213320 has 64 divisors (see below), whose sum is σ = 910168767126000. Its totient is φ = 158194215641088.

The previous prime is 400002242213311. The next prime is 400002242213347. The reversal of 400002242213320 is 23312242200004.

It can be written as a sum of positive squares in 8 ways, for example, as 264034095763876 + 135968146449444 = 16249126^2 + 11660538^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60170704 + ... + 66486976.

Almost surely, 2^{400002242213320} is an apocalyptic number.

400002242213320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400002242213320 is an abundant number, since it is smaller than the sum of its proper divisors (510166524912680).

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

400002242213320 is a wasteful number, since it uses less digits than its factorization.

400002242213320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6334162 (or 6334158 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 400002242213320 its reverse (23312242200004), we get a palindrome (423314484413324).

The spelling of 400002242213320 in words is "four hundred trillion, two billion, two hundred forty-two million, two hundred thirteen thousand, three hundred twenty".