404055543 has 8 divisors (see below), whose sum is σ = 539313408. Its totient is φ = 269084024.

The previous prime is 404055523. The next prime is 404055557. The reversal of 404055543 is 345550404.

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 404055543 - 2¹² = 404051447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 404055543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404055523) 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, 68271 + ... + 73952.

It is an arithmetic number, because the mean of its divisors is an integer number (67414176).

Almost surely, 2^404055543 is an apocalyptic number.

404055543 is a deficient number, since it is larger than the sum of its proper divisors (135257865).

404055543 is a wasteful number, since it uses less digits than its factorization.

404055543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143173.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 404055543 is about 20101.1328785220. The cubic root of 404055543 is about 739.2880558325.

The spelling of 404055543 in words is "four hundred four million, fifty-five thousand, five hundred forty-three".