400322405216 has 12 divisors (see below), whose sum is σ = 788134735332. Its totient is φ = 200161202592.

The previous prime is 400322405207. The next prime is 400322405239. The reversal of 400322405216 is 612504223004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6255037550 + ... + 6255037613.

It is an arithmetic number, because the mean of its divisors is an integer number (65677894611).

Almost surely, 2^400322405216 is an apocalyptic number.

It is an amenable number.

400322405216 is a deficient number, since it is larger than the sum of its proper divisors (387812330116).

400322405216 is a wasteful number, since it uses less digits than its factorization.

400322405216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12510075173 (or 12510075165 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The spelling of 400322405216 in words is "four hundred billion, three hundred twenty-two million, four hundred five thousand, two hundred sixteen".