400403674068 has 12 divisors (see below), whose sum is σ = 934275239520. Its totient is φ = 133467891352.

The previous prime is 400403674063. The next prime is 400403674091. The reversal of 400403674068 is 860476304004.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400403674063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16683486408 + ... + 16683486431.

It is an arithmetic number, because the mean of its divisors is an integer number (77856269960).

Almost surely, 2^400403674068 is an apocalyptic number.

It is an amenable number.

400403674068 is an abundant number, since it is smaller than the sum of its proper divisors (533871565452).

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

400403674068 is a wasteful number, since it uses less digits than its factorization.

400403674068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33366972846 (or 33366972844 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 42.

The spelling of 400403674068 in words is "four hundred billion, four hundred three million, six hundred seventy-four thousand, sixty-eight".