400310231002 has 16 divisors (see below), whose sum is σ = 655066921824. Its totient is φ = 181955358000.

The previous prime is 400310230997. The next prime is 400310231017. The reversal of 400310231002 is 200132013004.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1054852 + ... + 1383232.

It is an arithmetic number, because the mean of its divisors is an integer number (40941682614).

Almost surely, 2^400310231002 is an apocalyptic number.

400310231002 is a deficient number, since it is larger than the sum of its proper divisors (254756690822).

400310231002 is a wasteful number, since it uses less digits than its factorization.

400310231002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383805.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 400310231002 its reverse (200132013004), we get a palindrome (600442244006).

The spelling of 400310231002 in words is "four hundred billion, three hundred ten million, two hundred thirty-one thousand, two".