400717060146 has 64 divisors (see below), whose sum is σ = 959836832640. Its totient is φ = 123187521600.

The previous prime is 400717060127. The next prime is 400717060147. The reversal of 400717060146 is 641060717004.

400717060146 is a `hidden beast` number, since 4 + 0 + 0 + 7 + 1 + 7 + 0 + 601 + 46 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 400717060146.

It is not an unprimeable number, because it can be changed into a prime (400717060147) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 534196 + ... + 1042496.

It is an arithmetic number, because the mean of its divisors is an integer number (14997450510).

Almost surely, 2^400717060146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 400717060146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (479918416320).

400717060146 is an abundant number, since it is smaller than the sum of its proper divisors (559119772494).

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

400717060146 is a wasteful number, since it uses less digits than its factorization.

400717060146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509448 (or 509442 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The spelling of 400717060146 in words is "four hundred billion, seven hundred seventeen million, sixty thousand, one hundred forty-six".