405553541543 has 8 divisors (see below), whose sum is σ = 431589380112. Its totient is φ = 379759897216.

The previous prime is 405553541447. The next prime is 405553541551. The reversal of 405553541543 is 345145355504.

It is a happy number.

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 405553541543 - 2⁸ = 405553541287 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 405553541494 and 405553541503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405553541563) 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, 60545105 + ... + 60551802.

It is an arithmetic number, because the mean of its divisors is an integer number (53948672514).

Almost surely, 2^405553541543 is an apocalyptic number.

405553541543 is a deficient number, since it is larger than the sum of its proper divisors (26035838569).

405553541543 is a wasteful number, since it uses less digits than its factorization.

405553541543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121097121.

The product of its (nonzero) digits is 1800000, while the sum is 44.

The spelling of 405553541543 in words is "four hundred five billion, five hundred fifty-three million, five hundred forty-one thousand, five hundred forty-three".