405225554545 has 16 divisors (see below), whose sum is σ = 555766219008. Its totient is φ = 277854793920.

The previous prime is 405225554527. The next prime is 405225554603. The reversal of 405225554545 is 545455522504.

It is not a de Polignac number, because 405225554545 - 2⁷ = 405225554417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 405225554495 and 405225554504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426655 + ... + 996235.

It is an arithmetic number, because the mean of its divisors is an integer number (34735388688).

Almost surely, 2^405225554545 is an apocalyptic number.

It is an amenable number.

405225554545 is a deficient number, since it is larger than the sum of its proper divisors (150540664463).

405225554545 is a wasteful number, since it uses less digits than its factorization.

405225554545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589920.

The product of its (nonzero) digits is 4000000, while the sum is 46.

The spelling of 405225554545 in words is "four hundred five billion, two hundred twenty-five million, five hundred fifty-four thousand, five hundred forty-five".