404648722355 has 4 divisors (see below), whose sum is σ = 485578466832. Its totient is φ = 323718977880.

The previous prime is 404648722349. The next prime is 404648722381. The reversal of 404648722355 is 553227846404.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 404648722355 - 2⁸ = 404648722099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40464872231 + ... + 40464872240.

It is an arithmetic number, because the mean of its divisors is an integer number (121394616708).

Almost surely, 2^404648722355 is an apocalyptic number.

404648722355 is a deficient number, since it is larger than the sum of its proper divisors (80929744477).

404648722355 is an equidigital number, since it uses as much as digits as its factorization.

404648722355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80929744476.

The product of its (nonzero) digits is 6451200, while the sum is 50.

The spelling of 404648722355 in words is "four hundred four billion, six hundred forty-eight million, seven hundred twenty-two thousand, three hundred fifty-five".