400847717906 has 16 divisors (see below), whose sum is σ = 601874447616. Its totient is φ = 200222973456.

The previous prime is 400847717873. The next prime is 400847717911. The reversal of 400847717906 is 609717748004.

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 in 7 ways as a sum of consecutive naturals, for example, 13794965 + ... + 13823991.

It is an arithmetic number, because the mean of its divisors is an integer number (37617152976).

Almost surely, 2^400847717906 is an apocalyptic number.

400847717906 is a deficient number, since it is larger than the sum of its proper divisors (201026729710).

400847717906 is a wasteful number, since it uses less digits than its factorization.

400847717906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35713.

The product of its (nonzero) digits is 2370816, while the sum is 53.

The spelling of 400847717906 in words is "four hundred billion, eight hundred forty-seven million, seven hundred seventeen thousand, nine hundred six".