401235200505 has 24 divisors (see below), whose sum is σ = 695638589568. Its totient is φ = 213941570976.

The previous prime is 401235200479. The next prime is 401235200543. The reversal of 401235200505 is 505002532104.

It is a happy number.

401235200505 is a `hidden beast` number, since 401 + 2 + 3 + 5 + 200 + 50 + 5 = 666.

It is not a de Polignac number, because 401235200505 - 2¹¹ = 401235198457 is a prime.

It is a super-2 number, since 2×401235200505² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 859777 + ... + 1241646.

It is an arithmetic number, because the mean of its divisors is an integer number (28984941232).

Almost surely, 2^401235200505 is an apocalyptic number.

401235200505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

401235200505 is a deficient number, since it is larger than the sum of its proper divisors (294403389063).

401235200505 is a wasteful number, since it uses less digits than its factorization.

401235200505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105677 (or 2105674 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 401235200505 its reverse (505002532104), we get a palindrome (906237732609).

The spelling of 401235200505 in words is "four hundred one billion, two hundred thirty-five million, two hundred thousand, five hundred five".