401140535 has 8 divisors (see below), whose sum is σ = 491610816. Its totient is φ = 314084320.

The previous prime is 401140511. The next prime is 401140541. The reversal of 401140535 is 535041104.

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

It is not a de Polignac number, because 401140535 - 2²⁰ = 400091959 is a prime.

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 401140535.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 853256 + ... + 853725.

It is an arithmetic number, because the mean of its divisors is an integer number (61451352).

Almost surely, 2^401140535 is an apocalyptic number.

401140535 is a deficient number, since it is larger than the sum of its proper divisors (90470281).

401140535 is a wasteful number, since it uses less digits than its factorization.

401140535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707033.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 401140535 is about 20028.4930786118. The cubic root of 401140535 is about 737.5059296660.

Adding to 401140535 its reverse (535041104), we get a palindrome (936181639).

The spelling of 401140535 in words is "four hundred one million, one hundred forty thousand, five hundred thirty-five".