401140343343 has 4 divisors (see below), whose sum is σ = 534853791128. Its totient is φ = 267426895560.

The previous prime is 401140343321. The next prime is 401140343347. The reversal of 401140343343 is 343343041104.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 401140343343 - 2⁹ = 401140342831 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 401140343343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401140343347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66856723888 + ... + 66856723893.

It is an arithmetic number, because the mean of its divisors is an integer number (133713447782).

Almost surely, 2^401140343343 is an apocalyptic number.

401140343343 is a deficient number, since it is larger than the sum of its proper divisors (133713447785).

401140343343 is a wasteful number, since it uses less digits than its factorization.

401140343343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133713447784.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 401140343343 its reverse (343343041104), we get a palindrome (744483384447).

The spelling of 401140343343 in words is "four hundred one billion, one hundred forty million, three hundred forty-three thousand, three hundred forty-three".