405555550555562 has 24 divisors (see below), whose sum is σ = 686735901011748. Its totient is φ = 179361177145920.

The previous prime is 405555550555559. The next prime is 405555550555583. The reversal of 405555550555562 is 265555055555504.

It can be written as a sum of positive squares in 2 ways, for example, as 396010039800001 + 9545510755561 = 19900001^2 + 3089581^2 .

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 405555550555495 and 405555550555504.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 22646604323 + ... + 22646622230.

Almost surely, 2^{405555550555562} is an apocalyptic number.

405555550555562 is a deficient number, since it is larger than the sum of its proper divisors (281180350456186).

405555550555562 is a wasteful number, since it uses less digits than its factorization.

405555550555562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45293226614 (or 45293226603 counting only the distinct ones).

The product of its (nonzero) digits is 468750000, while the sum is 62.

The spelling of 405555550555562 in words is "four hundred five trillion, five hundred fifty-five billion, five hundred fifty million, five hundred fifty-five thousand, five hundred sixty-two".