405322541553 has 4 divisors (see below), whose sum is σ = 540430055408. Its totient is φ = 270215027700.

The previous prime is 405322541501. The next prime is 405322541563. The reversal of 405322541553 is 355145223504.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 405322541553 - 2¹⁶ = 405322476017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405322541563) 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, 67553756923 + ... + 67553756928.

It is an arithmetic number, because the mean of its divisors is an integer number (135107513852).

Almost surely, 2^405322541553 is an apocalyptic number.

It is an amenable number.

405322541553 is a deficient number, since it is larger than the sum of its proper divisors (135107513855).

405322541553 is a wasteful number, since it uses less digits than its factorization.

405322541553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135107513854.

The product of its (nonzero) digits is 360000, while the sum is 39.

The spelling of 405322541553 in words is "four hundred five billion, three hundred twenty-two million, five hundred forty-one thousand, five hundred fifty-three".