401401435501 has 8 divisors (see below), whose sum is σ = 438501513600. Its totient is φ = 364402863840.

The previous prime is 401401435483. The next prime is 401401435511. The reversal of 401401435501 is 105534104104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 401401435501 - 2¹¹ = 401401433453 is a prime.

It is a super-2 number, since 2×401401435501² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 401401435501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401401435511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25368336 + ... + 25384153.

It is an arithmetic number, because the mean of its divisors is an integer number (54812689200).

Almost surely, 2^401401435501 is an apocalyptic number.

It is an amenable number.

401401435501 is a deficient number, since it is larger than the sum of its proper divisors (37100078099).

401401435501 is a wasteful number, since it uses less digits than its factorization.

401401435501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50753219.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 401401435501 its reverse (105534104104), we get a palindrome (506935539605).

The spelling of 401401435501 in words is "four hundred one billion, four hundred one million, four hundred thirty-five thousand, five hundred one".