400105224002 has 8 divisors (see below), whose sum is σ = 654717639312. Its totient is φ = 181866010900.

The previous prime is 400105223927. The next prime is 400105224019. The reversal of 400105224002 is 200422501004.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9093300524 + ... + 9093300567.

It is an arithmetic number, because the mean of its divisors is an integer number (81839704914).

Almost surely, 2^400105224002 is an apocalyptic number.

400105224002 is a deficient number, since it is larger than the sum of its proper divisors (254612415310).

400105224002 is a wasteful number, since it uses less digits than its factorization.

400105224002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18186601104.

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 400105224002 its reverse (200422501004), we get a palindrome (600527725006).

The spelling of 400105224002 in words is "four hundred billion, one hundred five million, two hundred twenty-four thousand, two".