404452364465 has 8 divisors (see below), whose sum is σ = 485376183528. Its totient is φ = 323539660800.

The previous prime is 404452364429. The next prime is 404452364471. The reversal of 404452364465 is 564463254404.

It can be written as a sum of positive squares in 4 ways, for example, as 11735822224 + 392716542241 = 108332^2 + 626671^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 404452364465 - 2⁸ = 404452364209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2698586 + ... + 2844515.

It is an arithmetic number, because the mean of its divisors is an integer number (60672022941).

Almost surely, 2^404452364465 is an apocalyptic number.

It is an amenable number.

404452364465 is a deficient number, since it is larger than the sum of its proper divisors (80923819063).

404452364465 is a wasteful number, since it uses less digits than its factorization.

404452364465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5557699.

The product of its (nonzero) digits is 5529600, while the sum is 47.

The spelling of 404452364465 in words is "four hundred four billion, four hundred fifty-two million, three hundred sixty-four thousand, four hundred sixty-five".