404065630313 has 8 divisors (see below), whose sum is σ = 442587100680. Its totient is φ = 367183371520.

The previous prime is 404065630291. The next prime is 404065630321. The reversal of 404065630313 is 313036560404.

It can be written as a sum of positive squares in 4 ways, for example, as 141847897129 + 262217733184 = 376627^2 + 512072^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404065630313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404065630373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409802378 + ... + 409803363.

It is an arithmetic number, because the mean of its divisors is an integer number (55323387585).

Almost surely, 2^404065630313 is an apocalyptic number.

It is an amenable number.

404065630313 is a deficient number, since it is larger than the sum of its proper divisors (38521470367).

404065630313 is a wasteful number, since it uses less digits than its factorization.

404065630313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819605787.

The product of its (nonzero) digits is 77760, while the sum is 35.

The spelling of 404065630313 in words is "four hundred four billion, sixty-five million, six hundred thirty thousand, three hundred thirteen".