401463061146256 has 20 divisors (see below), whose sum is σ = 777835899687852. Its totient is φ = 200731216065536.

The previous prime is 401463061146233. The next prime is 401463061146281. The reversal of 401463061146256 is 652641160364104.

It can be written as a sum of positive squares in 2 ways, for example, as 315392168192656 + 86070892953600 = 17759284^2 + 9277440^2 .

It is a super-2 number, since 2×401463061146256² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8949001 + ... + 29715496.

Almost surely, 2^{401463061146256} is an apocalyptic number.

It is an amenable number.

401463061146256 is a deficient number, since it is larger than the sum of its proper divisors (376372838541596).

401463061146256 is a wasteful number, since it uses less digits than its factorization.

401463061146256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39313458 (or 39313452 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 49.

The spelling of 401463061146256 in words is "four hundred one trillion, four hundred sixty-three billion, sixty-one million, one hundred forty-six thousand, two hundred fifty-six".