401435235165063 has 64 divisors (see below), whose sum is σ = 590226617217024. Its totient is φ = 240664919040000.

The previous prime is 401435235165053. The next prime is 401435235165079. The reversal of 401435235165063 is 360561532534104.

It is not a de Polignac number, because 401435235165063 - 2⁴ = 401435235165047 is a prime.

It is a super-2 number, since 2×401435235165063² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401435235165053) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19060586553 + ... + 19060607613.

It is an arithmetic number, because the mean of its divisors is an integer number (9222290894016).

Almost surely, 2^{401435235165063} is an apocalyptic number.

401435235165063 is a deficient number, since it is larger than the sum of its proper divisors (188791382051961).

401435235165063 is a wasteful number, since it uses less digits than its factorization.

401435235165063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26136.

The product of its (nonzero) digits is 3888000, while the sum is 48.

Adding to 401435235165063 its reverse (360561532534104), we get a palindrome (761996767699167).

The spelling of 401435235165063 in words is "four hundred one trillion, four hundred thirty-five billion, two hundred thirty-five million, one hundred sixty-five thousand, sixty-three".