400321322102 has 64 divisors (see below), whose sum is σ = 689869039104. Its totient is φ = 172819595520.

The previous prime is 400321322077. The next prime is 400321322119. The reversal of 400321322102 is 201223123004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5452577 + ... + 5525507.

It is an arithmetic number, because the mean of its divisors is an integer number (10779203736).

Almost surely, 2^400321322102 is an apocalyptic number.

400321322102 is a deficient number, since it is larger than the sum of its proper divisors (289547717002).

400321322102 is a wasteful number, since it uses less digits than its factorization.

400321322102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73173.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 400321322102 its reverse (201223123004), we get a palindrome (601544445106).

The spelling of 400321322102 in words is "four hundred billion, three hundred twenty-one million, three hundred twenty-two thousand, one hundred two".