400317310116 has 36 divisors (see below), whose sum is σ = 1011932393472. Its totient is φ = 133436572464.

The previous prime is 400317310111. The next prime is 400317310123. The reversal of 400317310116 is 611013713004.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 400317310116.

It is not an unprimeable number, because it can be changed into a prime (400317310111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3710365 + ... + 3816731.

It is an arithmetic number, because the mean of its divisors is an integer number (28109233152).

Almost surely, 2^400317310116 is an apocalyptic number.

It is an amenable number.

400317310116 is an abundant number, since it is smaller than the sum of its proper divisors (611615083356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400317310116 is a wasteful number, since it uses less digits than its factorization.

400317310116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210920 (or 210915 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The spelling of 400317310116 in words is "four hundred billion, three hundred seventeen million, three hundred ten thousand, one hundred sixteen".