401204340543 has 8 divisors (see below), whose sum is σ = 547379565568. Its totient is φ = 261249337944.

The previous prime is 401204340533. The next prime is 401204340601. The reversal of 401204340543 is 345043402104.

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

It is not a de Polignac number, because 401204340543 - 2¹² = 401204336447 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 401204340543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401204340533) 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 7 ways as a sum of consecutive naturals, for example, 1555055455 + ... + 1555055712.

It is an arithmetic number, because the mean of its divisors is an integer number (68422445696).

Almost surely, 2^401204340543 is an apocalyptic number.

401204340543 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

401204340543 is a deficient number, since it is larger than the sum of its proper divisors (146175225025).

401204340543 is a wasteful number, since it uses less digits than its factorization.

401204340543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3110111213.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 401204340543 its reverse (345043402104), we get a palindrome (746247742647).

The spelling of 401204340543 in words is "four hundred one billion, two hundred four million, three hundred forty thousand, five hundred forty-three".