404215554054313 has 4 divisors (see below), whose sum is σ = 404218617144660. Its totient is φ = 404212490963968.

The previous prime is 404215554054293. The next prime is 404215554054337. The reversal of 404215554054313 is 313450455512404.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 260003628138384 + 144211925915929 = 16124628^2 + 12008827^2 .

It is a cyclic number.

It is not a de Polignac number, because 404215554054313 - 2²⁹ = 404215017183401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404215554054343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1531347220 + ... + 1531611157.

It is an arithmetic number, because the mean of its divisors is an integer number (101054654286165).

Almost surely, 2^{404215554054313} is an apocalyptic number.

It is an amenable number.

404215554054313 is a deficient number, since it is larger than the sum of its proper divisors (3063090347).

404215554054313 is a wasteful number, since it uses less digits than its factorization.

404215554054313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3063090346.

The product of its (nonzero) digits is 2880000, while the sum is 46.

The spelling of 404215554054313 in words is "four hundred four trillion, two hundred fifteen billion, five hundred fifty-four million, fifty-four thousand, three hundred thirteen".