401344799163 has 48 divisors (see below), whose sum is σ = 684431806464. Its totient is φ = 206849039040.

The previous prime is 401344799159. The next prime is 401344799213. The reversal of 401344799163 is 361997443104.

401344799163 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 401344799163 - 2² = 401344799159 is a prime.

It is a super-2 number, since 2×401344799163² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401344799123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 771820 + ... + 1182537.

It is an arithmetic number, because the mean of its divisors is an integer number (14258995968).

Almost surely, 2^401344799163 is an apocalyptic number.

401344799163 is a deficient number, since it is larger than the sum of its proper divisors (283087007301).

401344799163 is a wasteful number, since it uses less digits than its factorization.

401344799163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954512 (or 1954505 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 401344799163 in words is "four hundred one billion, three hundred forty-four million, seven hundred ninety-nine thousand, one hundred sixty-three".