356404406555 has 16 divisors (see below), whose sum is σ = 429852040704. Its totient is φ = 283680678240.

The previous prime is 356404406551. The next prime is 356404406557. The reversal of 356404406555 is 555604404653.

It is not a de Polignac number, because 356404406555 - 2² = 356404406551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (356404406551) 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 15 ways as a sum of consecutive naturals, for example, 1635134 + ... + 1840236.

It is an arithmetic number, because the mean of its divisors is an integer number (26865752544).

Almost surely, 2^356404406555 is an apocalyptic number.

356404406555 is a deficient number, since it is larger than the sum of its proper divisors (73447634149).

356404406555 is a wasteful number, since it uses less digits than its factorization.

356404406555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206866.

The product of its (nonzero) digits is 4320000, while the sum is 47.

The spelling of 356404406555 in words is "three hundred fifty-six billion, four hundred four million, four hundred six thousand, five hundred fifty-five".